![GPF-back Exhaust [Mk4 Focus ST-Line] Intercooler Note: The product image is](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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Available in yellow/black
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Available in two different and contrasting colours
high-flow duct
GPF-back Exhaust [Mk4 Focus ST-Line] Intercooler Note: The product image isThe 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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