SLP 99-04 4.6L SOHC/DOHC PowerFlo-X Crossover Pipe (With Cats)Exclusive three-piece modular design makes it possible to upgrade to SLP Long-Tube Headers without purchasing a new X-pipe
Includes band clamps for easy interchangeability of cats and race pipes
Equipped with a true X-pipe crossover, not a poor-flowing clamshell imitation
Constructed entirely from mandrel-bent stainless steel
Equipped with factory O2 bungs (where applicable)
Fits 1999-2004 SOHC and 2001-2004 DOHC models
The perfect complement to our "Loud Mouth" cat-back systems, these X-pipes use free-flowing mandrel-bent tubing and a genuine X crossover to provide a significant horsepower increase over the restrictive stock cat pipes. They're available with or without high-flow catalytic converters and feature our exclusive three-piece design for unparalleled versatility and ease of installation.
NOTE: Includes detailed instructions and all required installation hardware. Photo may not show all included parts. Not legal for use on pollution-controlled motor vehicles. 2004 SOHC and DOHC applications require O2 Extension Harness (# M31037).