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Focus RS Power Upgrades

The mountune Focus RS upgrades include the very best components to enhance the performance of your Focus RS including custom ECU calibration to optimize the performance of your car based on your specific use and build specification. mountune performance calibrations are proven to extract the maximum reliable performance and mountune upgrade packages bring together the essential pieces to get you going.
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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 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

(10)
mountune Focus RS Induction System mountune Focus RS Induction System
Price:$1,276.00
Sale price:$999.00
Savings: $277.00

(4)
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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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 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
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
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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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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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
   
 

FAQ's

How much HP can the Focus RS handle?

The stock settings for the Focus have been measured to produce about 322 HP and 352 lb-ft torque, but with mountune’s B3 tuning package, that number jumped to almost 350 HP (the max estimated HP for the Focus RS) and 441 lb-ft torque.

Is the Ford Focus RS turbocharged?

Since its first generation production in 2002, the Ford Focus RS has flown on the power of a turbocharged engine. The most recent features a 2.3-liter four-cylinder turbocharged engine that, with the right modifications, boasts up to 350 HP.

What Focus RS upgrade can I do?

Some of our most popular upgrades for increasing power and handling are the mountune-calibrated Cobb Accessport V3 ECU flasher and high-flow air filter. If you’re looking to take your Focus to the next level with all of the best mods, then the Focus RS B3 upgrade is for you.