GPF-back Exhaust [Mk4 Focus ST-Line] Intercooler Offering enhanced performance with an

Offering enhanced performance with an aggressive and level stance

Note: The product image is for illustration only

Available in yellow/black

High-flow mandrel bent lower rear intercooler hard pipe

Available in two different and contrasting colours

GPF-back Exhaust [Mk4 Focus ST-Line] Intercooler Offering enhanced performance with anThe 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