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This testing provides the reasonable basis required by the standards defined by the EPA
the P1 Performance Products Performance Series exhaust systems offer a value price without compromising on the quality built into every component
Allows removal of restrictive factory up-pipe
Things that even the competition would be envious of
View Average Injector Flow Data
2008-2010 Powerstroke 6.4L P1 4" SLM Series Downpipe Back Exhaust System - No Muffler (C6254SLM) 2020 - 2022 Ford Exterior This testing provides the reasonable2008 2010 Powerstroke 6. 4L P1 4" SLM Series Downpipe Back Exhaust System No Muffler (C6254SLM) Stay at the top on race day in your 2008 2010 Ford Powerstroke 6. 4L F250 F350 F450 with the P1 Performance Products C6254SLM 4" SLM Series Race Exhaust System. P1 Performance Products SLM Series Race Exhaust System is built from T409 Stainless Steel and comes complete with OE style hangers and clamps for an easy installation.