Mountune's MK3 Ford Focus ST High Flow Exhaust system is manufactured from 2.5-inch, AISI 304 Stainless Steel mandrel bent tubing with laser 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. Slip fit connections have been used at various strategic points to allow for easy installation and adjustment.
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