![GPF-back Exhaust [Mk4 Focus ST-Line] fitted-golf75gti whilst the carefully engineered internal](https://cdn.shopify.com/s/files/1/0367/2621/products/2743-cbe-aa_efd22f6c-646f-4994-82c4-81ae08a3f8ed.png?v=1677682201)
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whilst the carefully engineered internal muffler ensures this system remains free from intrusive cabin boom
The only Ford-endorsed Mk2 Focus RS airbox upgrade - as used in the Focus RS500 and MP350 upgrade
this product is compatible with 3-door Golf variants
additional cover on the lower side of the spoiler
Zip-up mountune case
GPF-back Exhaust [Mk4 Focus ST-Line] fitted-golf75gti whilst the carefully engineered internalThe mountune GPF back exhaust for the Mk4 Focus ST Line adds a noteworthy boost to audible performance, reduces back pressure and enhances vehicle aesthetics. Constructed from 304 stainless steel, the 3" bore system improves vehicle performance particularly once power output has been raised, thanks to the low back pressure design, whilst the carefully engineered internal muffler ensures this system remains free from intrusive cabin boom, whilst
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