Free up your Focus ST's engine with the COBB 3" Downpipe! This direct
replacement for the factory downpipe features a 200 cell count high flow
catalytic converter and 304 stainless steel tubing. The CNC machined
v-band flange and 4" flex section ensures perfect OEM-like fitment. All
of these features combine to provide a free flowing exhaust outlet for
high energy exhaust gases to reduce turbo back pressure and increase
turbo efficiency. This downpipe is the perfect step towards Stage 3
power!
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