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Focus RS Performance Upgrades

mountune has more Focus RS tuning experience than any other company resulting in a wide range of proven products backed by over 35 years of motorsport DNA. Our team has spent countless hours developing upgrades that enhance power and performance to new levels. The ever expanding product line includes the best engineered products that perform on the road or track. From air intakes to exhaust systems, mountune has the Focus RS upgrade you can count on to produce maximum reliable power.

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mountune High Performance 2.3L RS Long Block mountune High Performance 2.3L Focus RS Long Block
Price:$12,999.00
Sale price:$11,439.12
Savings: $1,559.88
mountune High Performance 2.3L RS Long Block N1 mountune 2.3L Focus RS Long Block N1
Price:$7,500.00
Sale price:$6,600.00
Savings: $900.00
2.3L EcoBoost Engine Kit M-6007-23A 2.3L EcoBoost Engine
Price:$6,550.00
Sale price:$6,350.00
Savings: $200.00
mountune High Performance 2.3L RS Short Block mountune High Performance 2.3L Focus RS Short Block
Price:$5,899.00
Sale price:$5,191.12
Savings: $707.88

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mountune Closed Deck High Performance 2.3L RS Short Block Mountune Closed Deck High Performance 2.3L Focus RS Short Block
Price:$5,500.00
Sale price:$4,840.00
Savings: $660.00
Syvecs ECU - Focus RS SGDI-RSMK3 Syvecs ECU - Focus RS
Price:$4,299.00
mountune MRX Cylinder Head w Camshafts - 2.3L EcoBoost mountune MRX Cylinder Head w Camshafts - 2.3L EcoBoost
Price:$4,599.00
Sale price:$4,047.12
Savings: $551.88

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mountune Ford Focus RS MRX Turbocharger Upgrade mountune Focus RS MRX Turbocharger Upgrade
Price:$3,699.00
Drivetrain Upgrade - Ceramic Twin Disc Clutch - Ford Focus RS Drivetrain Upgrade - Ceramic Twin Disc Clutch - Focus RS
Price:$3,699.00
Sale price:$3,559.00
Savings: $140.00
Drivetrain Upgrade - Organic Twin Disc Clutch - Ford Focus RS Drivetrain Upgrade - Organic Twin Disc Clutch - Focus RS
Price:$3,649.00
Sale price:$3,499.00
Savings: $150.00
mountune Forged 2.3L EcoBoost Engine Component Kit mountune Forged 2.3L EcoBoost Engine Component Kit
Price:$3,347.00
Sale price:$3,199.00
Savings: $148.00

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High Flow Direct Injection Fuel System Upgrade Focus RS 2.3L High Flow Direct Injection Fuel System Upgrade Focus RS 2.3L
Price:$2,949.00
Sale price:$2,499.00
Savings: $450.00
2014 - 2018 Ford Focus Dry Carbon Roof Replacement 2014 - 2018 FORD FOCUS DRY CARBON ROOF REPLACEMENT
Price:$2,400.00
COBB Accessport V3 ECU Flasher - Ford Focus RS B7 Package COBB Accessport V3 ECU Flasher - Ford Focus RS B7 Package
Price:$2,499.00
Sale price:$1,999.00
Savings: $500.00

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COBB Accessport V3 ECU Flasher - Ford Focus RS B5 Package COBB Accessport V3 ECU Flasher - Ford Focus RS B5 Package
Price:$2,299.00
Sale price:$1,850.00
Savings: $449.00

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mountune Camshaft Kit, Ford 2.3L EcoBoost - V2 mountune Camshaft Kit - Ford 2.3L EcoBoost - V2
Price:$1,898.00
Sale price:$1,799.00
Savings: $99.00
mountune Camshaft Kit, Ford 2.3L EcoBoost - V3 mountune Camshaft Kit - Ford 2.3L EcoBoost - V3
Price:$1,898.00
Sale price:$1,799.00
Savings: $99.00
Xclutch Focus Rs / St - Twin Sprung Organic Discs XClutch Focus RS / ST - Twin Sprung Organic Disc
Price:$1,795.00
Sale price:$1,651.40
Savings: $143.60

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XClutch Focus RS / ST - Ceramic Twin Disc - Solid Focus Clutch XClutch Focus RS / ST - Ceramic Twin Disc
Price:$1,795.00
Sale price:$1,651.40
Savings: $143.60
Lightweight 2 Piece Brake Rotor - Focus RS A1-169K Lightweight 2 Piece Brake Rotor Set - Focus RS
Price:$1,700.00
Sale price:$1,599.00
Savings: $101.00

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mountune Light Weight EcoBoost 2.3L Crankshaft mountune Light Weight EcoBoost 2.3L Crankshaft
Price:$1,579.00
Ford MMT6 Gearbox Transmission Service and upgrade Ford MMT6 Gearbox Transmission Service and upgrade
Price:$1,799.00
Sale price:$1,550.00
Savings: $249.00

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mountune Full Intercooler Upgrade, Focus RS mountune Full Intercooler Upgrade - Focus RS
Price:$1,548.00

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Xtreme-DI Focus RS High Pressure Fuel Pump Upgrade Xtreme-DI High Pressure Fuel Pump Upgrade, Focus RS
Price:$1,399.00
mountune V2 Cat Back Exhaust Upgrade Focus RS 2016-2017 mountune V2 Cat Back Exhaust Focus RS
Price:$1,399.00

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High Flow Direct Injection Fuel Injector Upgrade Focus RS/ST High Flow Direct Injection Fuel Injector Upgrade Focus RS/ST
Price:$1,399.00
Sale price:$1,349.00
Savings: $50.00
mountune Camshaft Set, Ford 2.3L EcoBoost - V4 mountune Camshaft Set - Ford 2.3L EcoBoost - V4
Price:$1,299.00
mountune Camshaft Set, Ford 2.3L EcoBoost - V1 mountune Camshaft Set - Ford 2.3L EcoBoost - V1
Price:$1,299.00
mountune Camshaft Set, Ford 2.3L EcoBoost - V2 mountune Camshaft Set - Ford 2.3L EcoBoost - V2
Price:$1,299.00
mountune Camshaft Set, Ford 2.3L EcoBoost - V3 mountune Camshaft Set - Ford 2.3L EcoBoost - V3
Price:$1,299.00
XClutch Focus RS/ST - Stage 1 Single Sprung Organic Disc with Flywheel XClutch Focus RS/ST - Stage 1 Single Sprung Organic Disc with Flywheel
Price:$1,395.00
Sale price:$1,283.40
Savings: $111.60
COBB Accessport V3 ECU Flasher - Ford Focus RS B3 Package COBB Accessport V3 ECU Flasher - Ford Focus RS B3 Package
Price:$1,537.00
Sale price:$1,229.00
Savings: $308.00

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mountune Forged Connecting Rod Set, 2.3L EcoBoost mountune Forged Connecting Rod Set - 2.3L EcoBoost
Price:$1,199.00
mountune V2X Cat Back Exhaust Focus RS mountune V2X Cat Back Exhaust Focus RS Pre-Sale Special
Price:$1,099.00

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2016-2018 Ford Focus Rs-Style Carbon Fiber Rear Spoiler 2016-2018 FORD FOCUS RS-STYLE CARBON FIBER REAR SPOILER
Price:$1,099.00
2015-2018 Ford Focus Oe-Style Carbon Fiber Hatch 2015-2018 FORD FOCUS OE-STYLE CARBON FIBER HATCH
Price:$1,000.00
2016-2018 Ford Focus Carbon Fiber Hood Type-Sa 2016-2018 FORD FOCUS CARBON FIBER HOOD TYPE-SA
Price:$999.00
2016-2018 Focus Rs Carbon Fiber Rear Diffuser 2016-2018 FOCUS RS CARBON FIBER REAR DIFFUSER
Price:$999.00

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2015-2018 Ford Focus Carbon Fiber Hood Type-Rs 2015-2018 FORD FOCUS CARBON FIBER HOOD TYPE-RS
Price:$999.00
mountune Focus RS Induction System mountune Focus RS Induction System
Price:$1,276.00
Sale price:$999.00
Savings: $277.00

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mountune Focus RS M380 Performance Upgrade mountune Focus RS M380 Performance Upgrade - Focus RS 2016-2018
Price:$1,199.00
Sale price:$999.00
Savings: $200.00

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Quaife ATB Differential, Focus RS 2016-2018 Quaife ATB Differential - Focus RS 2016-2018
Price:$1,199.00
Sale price:$999.00
Savings: $200.00

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RA8296X4/RA8295X4 Heavy Duty Drive Axle Set - Focus ST / Focus RS
Price:$949.00
Lightweight 2 Piece Brake Rotor kit- Focus RS A1-169 Lightweight 2 Piece Front Brake Rotor Set - Focus RS
Price:$899.00

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2016-2018 Focus Rs Carbon Fiber Rocker Panels 2016-2018 FOCUS RS CARBON FIBER ROCKER PANELS
Price:$899.00

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2016 Focus RS Rear Spoiler Kit Focus RS Rear Spoiler Kit
Price:$899.00

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Ford Performance Focus RS Drift Stick Ford Performance Focus RS Drift Stick
Price:$999.00
Sale price:$859.00
Savings: $140.00

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2016-2018 Ford Focus Rs Carbon Fiber Fenders (Pair) 2016-2018 FORD FOCUS RS CARBON FIBER FENDERS (PAIR)
Price:$899.00
Sale price:$854.05
Savings: $44.95
SCAT Formula Ford / Ford Crossflow Crankshaft SCAT Formula Ford / Ford Crossflow Crankshaft
Price:$799.00
Lightweight 2 Piece Brake Rotor kit- Focus RS A2-169 Lightweight 2 Piece Rear Brake Rotor Set - Focus RS
Price:$799.00
2016-2018 Focus Rs Carbon Fiber Front Splitter 2016-2018 FOCUS RS CARBON FIBER FRONT SPLITTER
Price:$799.00

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2016-2018 Ford Focus Rs Carbon Fiber Front Bumper Insert 2016-2018 FORD FOCUS RS CARBON FIBER FRONT BUMPER INSERT
Price:$750.00

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COBB Accessport V3 ECU Flasher - Ford Focus RS B1 Package COBB Accessport V3 ECU Flasher - Ford Focus RS B1 Package
Price:$789.00
Sale price:$729.00
Savings: $60.00

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mountune Intercooler Upgrade Focus RS mountune Intercooler Upgrade - Focus RS
Price:$999.00
Sale price:$699.00
Savings: $300.00

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mountune Mahle Forged Piston Set, 2.3L EcoBoost mountune Mahle Forged Piston Set - 2.3L EcoBoost
Price:$699.00
mountune Fast Road Brake Upgrade Package Focus RS mountune Fast Road Brake Upgrade Package Focus RS
Price:$773.94
Sale price:$689.00
Savings: $84.94

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Focus RS COBB V3 Accessport ECU Flasher COBB Accessport V3 ECU Flasher - Ford Focus RS
Price:$675.00

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Ford MMT6 Carbon Synchro Complete Install Kit - Ford Focus RS Ford MMT6 Carbon Synchro Complete Install Kit - Focus RS
Price:$659.00

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mountune Ni-Resist 2.3L RS Ecoboost Turbo Elbow Mounting Kit mountune Ni-Resist 2.3L RS Ecoboost Turbo Elbow Mounting Kit
Price:$599.00
Ford MMT6 Carbon Synchro Complete Install Kit - Ford Focus ST Ford MMT6 Carbon Synchro Complete Install Kit - Focus ST
Price:$599.00
mountune Valve Spring Set (16) Dual - 2.0L/2.3L EcoBoost mountune Valve Spring Set (16) Dual - 2.0L/2.3L EcoBoost
Price:$599.00
mountune Charge Pipe Upgrade, Focus RS mountune Charge Pipe Upgrade - Focus RS
Price:$549.00

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MRX Complete Valve set - Ford EcoBoost 2.3L MRX Complete Valve set - EcoBoost 2.3L
Price:$529.00

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2016-2018 Ford Focus Rs Carbon Fiber Fog Light Surrounds 2016-2018 FORD FOCUS RS CARBON FIBER FOG LIGHT SURROUNDS
Price:$520.00

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mountune High Flow Induction Kit - Focus RS mountune High Flow Induction Kit - Focus RS
Price:$499.00

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Ford Performance - Short Throw Shifter Ford Performance - Short Throw Shifter
Price:$486.00
mountune Triple Pass Radiator Upgrade, Focus RS mountune Triple Pass Radiator Upgrade - Focus RS
Price:$569.00
Sale price:$484.00
Savings: $85.00

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mountune Full High Flow Intake, Focus ST/RS mountune High Flow Intake Focus ST/RS
Price:$479.00

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Radium Engineering Catch Can System - Ford Focus RS Radium Engineering Catch Can System - Ford Focus RS
Price:$459.00

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mountune Intake Duct , Focus RS mountune Intake Duct - Focus RS
Price:$375.00

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Ford MMT6 Carbon Synchro Set - Focus ST/RS Mountune Ford MMT6 Carbon Synchro Set - Focus ST/RS
Price:$369.00

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Radium Engineering Coolant Tank Kit - Focus ST/RSS Radium Engineering Coolant Tank Kit - Focus ST/RS
Price:$345.00

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mountune Ultra high-performance silicone boost hose kit Focus RS mountune Ultra high-performance silicone boost hose kit - Focus RS
Price:$315.00

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Quaife Differential Installation Kit - Ford Focus RS Quaife Differential Installation Kit - Ford Focus RS
Price:$309.00

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mountune Track Brake Pad Set - F/R - Focus RS 2016-2018 mountune Track Brake Pad Set - F/R - Focus RS
Price:$348.00
Sale price:$295.80
Savings: $52.20

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fifteen52 Turbomac Wheel - 18x8.5 - Gold - Focus ST & RS fifteen52 Turbomac Wheel - 18x8.5 - Gold - Focus ST & RS
Price:$275.00
fifteen52 Integrale Wheel - 18x8.5 - Rally White - Ford Focus ST & RS fifteen52 Integrale Wheel - 18x8.5 - Rally White - Focus ST & RS
Price:$275.00

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fifteen52 Turbomac Wheel - 18x8.5 - Asphalt Black - Focus ST & RS fifteen52 Turbomac Wheel - 18x8.5 - Asphalt Black - Focus ST & RS
Price:$275.00

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fifteen52 Turbomac Wheel - 18x8.5 - Rally White - Focus ST & RS fifteen52 Turbomac Wheel - 18x8.5 - Rally White - Focus ST & RS
Price:$275.00

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fifteen52 Tarmac Wheel - 18x8.5 - Rally White - Ford Focus ST & RS fifteen52 Tarmac Wheel - 18x8.5 - Rally White - Focus ST & RS
Price:$275.00

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2.0L/2.3L Complete EcoBoost Oil Control System 2.0L/2.3L Complete EcoBoost Oil Control System
Price:$269.00

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mountune Sport Spring Set Ford Focus RS 2016-2018 mountune Sport Spring Set Ford Focus RS 2016-2018
Price:$259.00

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mountune Lower Intercooler Hard Pipe, Focus RS mountune Lower Intercooler Hard Pipe - Focus RS
Price:$259.00

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mountune Lower Intake Duct - Ford Focus RS mountune Lower Intake Duct - Focus RS
Price:$249.00

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mountune Street Brake Pad Set - F/R - Focus RS 2016 - 2018 mountune Street Brake Pad Set - F/R - Focus RS
Price:$288.00
Sale price:$244.80
Savings: $43.20

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Radium Engineering PCV Catch Can Kit - Focus ST/RS Radium Engineering PCV Catch Can Kit - Focus ST/RS
Price:$239.95

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Radium Engineering Crankcase Catch Can Kit - Ford Focus RS Radium Engineering Crankcase Catch Can Kit - Ford Focus RS
Price:$229.95

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Pertronix Coil Flame-Thrower Ford EcoBoost 2.0L & 2.3L Set 30711 Pertronix Coil and Spark Plug set Focus RS 2.3L
Price:$246.00
Sale price:$229.00
Savings: $17.00
Radium Engineering Focus RS External Fuel Filter Kit Radium Engineering Focus RS External Fuel Filter Kit
Price:$199.95
Pertronix Coil Flame-Thrower Ford EcoBoost 2.0L & 2.3L Set 30711 Pertronix Coil Flame-Thrower Ford EcoBoost 2.0L & 2.3L Set
Price:$199.00
mountune Quick-Shift - Ford Focus ST and RS mountune Quick Shift - Ford Focus ST & RS
Price:$229.00
Sale price:$199.00
Savings: $30.00

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Mountune High Pressure Oil Pump - Ford EcoBoost 2.0L and 2.3L Mountune High Pressure Oil Pump - Ford EcoBoost 2.0L and 2.3L
Price:$189.00
mountune Front Brake Pad Set, Focus RS 2016-2018 Track mountune Front Brake Pad Set, Focus RS 2016-2018 Track
Price:$189.00

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mountune / Rally Armor Mud Flap Set - Ford Focus ST & RS - Blue mountune / Rally Armor Mud Flap Set - Focus ST & RS - Blue
Price:$189.00

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mountune / Rally Armor Mud Flap Set - Ford Focus ST & RS mountune / Rally Armor Mud Flap Set - Focus ST & RS
Price:$189.00

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mountune Auxiliary Fuel Rail Hardware Kit mountune Auxiliary Fuel Rail Hardware Kit
Price:$169.00

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mountune Focus RS PTU Brace Upgrade mountune Focus RS PTU Brace Upgrade
Price:$169.00

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mountune Brake Hose Set, Focus RS mountune Brake Hose Set - Focus RS
Price:$169.00

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mountune Uprated air re-circulation valve, Focus RS mountune Uprated Air Recirculation Valve - Focus RS
Price:$169.00

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Ford EcoBoost Racing Main Bearing Set Racing Main Bearing Set, Ford EcoBoost
Price:$165.00
mountune Rear Brake Pad Set, Focus RS 2016-2018 Track mountune Rear Brake Pad Set, Focus RS 2016-2018 Track
Price:$159.00
mountune Front Brake Pad Set, Focus RS 2016-2018 Street mountune Front Brake Pad Set, Focus RS 2016-2018 Street
Price:$159.00

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Breather Plate, Ford EcoBoost 2.0L and 2.3L mountune Oil Breather Plate - Ford EcoBoost 2.0L and 2.3L
Price:$159.00

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Powerflex Focus ST RS Front Lower Control Arm Adjustable Camber Bushings ​PFF19-8011Gx2 Powerflex Focus ST & RS Front Lower Control Arm Adjustable Camber Bushings
Price:$143.99
mountune Roll Restrictor / Rear Motor Mount - Focus ST Focus RS mountune Roll Restrictor / Rear Motor Mount - Focus ST / RS
Price:$159.00
Sale price:$139.00
Savings: $20.00

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2016-2018 Ford Focus RS OEM Rear Rotor 2016-2018 Ford Focus RS OEM Rear Rotor
Price:$130.45
mountune Rear Brake Pad Set, Focus RS 2016-2018 Street mountune Rear Brake Pad Set, Focus RS 2016-2018 Street
Price:$129.00

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Ford MMT6 Countershaft Bearing and Retaining Bolt Ford MMT6 Countershaft Bearing and Retaining Bolt Kit
Price:$129.00
2016-2018 Ford Focus RS OEM Front Rotor 2016-2018 Ford Focus RS OEM Front Rotor
Price:$112.02

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mountune Alcantara Shift Boot - Focus ST/RS mountune Alcantara Shift Boot - Focus ST/RS
Price:$99.00
mountune Ultra high-performance silicone coolant kit Focus RS mountune Ultra high-performance silicone coolant kit Focus RS Black
Price:$129.00
Sale price:$99.00
Savings: $30.00

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mountune Alcantara Shift Boot - Focus RS mountune Alcantara Shift Boot - Focus RS
Price:$99.00

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Ford EcoBoost Racing Rod Bearing Set Racing Rod Bearing Set, Ford EcoBoost
Price:$79.00
Powerflex Focus RS Race Rear Diff Rear Front Mounting Bushing Insert PFR19-1831Bx2 Powerflex Focus RS Race Rear Diff Rear Front Mounting Bushing Insert
Price:$73.99
mountune High Flow Induction Hose, Focus ST/ RS 2013-2018 mountune High Flow Induction Hose - Focus ST and RS
Price:$69.00

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mountune Gearknob mountune Gearknob
Price:$69.00

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mountune High Flow Air Filter Focus ST RS 2013-2018 mountune High Flow Air Filter Focus ST 2013-2018
Price:$69.00

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Powerflex Focus RS Street Rear Diff Rear Front Mounting Bushing Insert PFR19-1831x2 Powerflex Focus RS Street Rear Diff Rear Front Mounting Bushing Insert
Price:$67.99

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mountune Mushroom Billet Oil Dipstick 2536-ODS-AA mountune Mushroom Billet Oil Dipstick - Focus ST & RS
Price:$59.00

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mountune Oil Filler Cap - Gear mountune Oil Filler Cap - Gear
Price:$59.00

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mountune Billet Oil Dipstick 2536-ODS-AA mountune Billet Oil Dipstick - Focus ST & RS
Price:$59.00

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mountune Upgraded Solid Shift Cable Bushing Set mountune Upgraded Solid Shift Cable Bushing Set
Price:$59.00

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mountune Oil Filler Cap mountune Oil Filler Cap
Price:$59.00

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mountune Exhaust Hanger Kit, Focus RS mountune Exhaust Hanger Kit, Focus RS
Price:$59.00

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mountune Sound Suppression Chamber - Focus RS mountune Sound Suppression Chamber - Focus RS
Price:$59.00

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2016 FOCUS RS CENTER CAP Ford Performance - FOCUS RS CENTER CAP
Price:$49.99

(3)
NGK Iridium Spark Plug Set LTR71X-II NGK Iridium Spark Plug Set LTR71X-II
Price:$47.00

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fifteen52 Aluminum Valve Stems fifteen52 Aluminum Valve Stems
Price:$39.52

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Focus RS Exhaust Valve Defeat Focus RS Exhaust Valve Defeat
Price:$39.00

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mountune Dynamic Wing Splash Focus RS mountune Dynamic Wing Splash Focus RS
Price:$39.00

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Air Filter Cleaning Kit Air Filter Cleaning Kit
Price:$34.99
Powerflex Focus RS Street Rear Diff Front Mounting Bushing Insert PFR19-1830 Powerflex Focus RS Street Rear Diff Front Mounting Bushing Insert
Price:$33.99
Motorcraft Spark Plug Set - SP-537 Focus ST Motorcraft Spark Plug Set - SP-550 Focus ST & RS
Price:$30.00

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Radium Engineering Radiator Cap. 1.3Bar 19psi Radium Engineering Radiator Cap - 1.3Bar (19psi)
Price:$29.95

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Radium Engineering Catch Can Petcock Drain Kit Radium Engineering Catch Can Petcock Drain Kit
Price:$29.95

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mountune Magnetic Oil Drain Plug - Ford Focus ST / RS Ranger mountune Magnetic Oil Drain Plug - Focus ST / RS / Ranger
Price:$22.99

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mountune Hose Clamp Set, Focus ST & RS Boost Hose mountune Hose Clamp Set, Focus ST & RS Boost Hose
Price:$20.00

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Ford Performance Fender Cover Ford Performance Fender Cover
Price:$19.95

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Motorcraft Sealant Gasket Motorcraft Sealant Gasket
Price:$18.62
Mountune USA Vintage Hotel Style Key Tag Mountune USA Vintage Hotel Style Key Tag
Price:$8.99
Motorcraft Threadlock 262 Motorcraft Threadlock 262
Price:$8.84
Motorcraft Threadlock and Sealer Motorcraft Threadlock and Sealer
Price:$7.20
mountune silicone key ring mountune Silicone Badge Keyring
Price:$5.99

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