mountune has been engineering exhaust systems for
years with the objective towards increased power and response coupled with an
enhanced exhaust tone and appearance. Our Focus ST (C346 ST) High Flow Turbo Back Exhaust
system is manufactured from 2.5” (3" Down Pipe) , AISI 304 Stainless Steel (EN58E)
mandrel bent tubing with lazer cut flanges. All muffler assemblies are
robotically TIG welded AISI 304 Stainless Steel for long life under extreme
performance and feature consistent internal diameter throughout the entire
length of the assembly. To ensure
improved performance while controlling sound, each muffler includes a three-
layer Hybrid Synthetic sound absorption packing that eliminates droning,
booming, and other undesirable tones.
Tubing diameter also has a major impact on sound quality and careful
consideration was given to size and performance. We have also incorporated slip fit
connections at various strategic points to allow for easy installation and
This part has been designed and is intended for off-highway application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations relating to emission requirements and motor vehicle safety standards. Click Here for Emissions compliance information.