Diamond Eye Cat-Back Exhaust System 4" Aluminized Steel For Ford 03-07 K4340A-RP

Diamond Eye exhaust systems are built just the way you want! Upgrading your exhaust has definite benefits-lower EGTs, more horsepower, better sound quality, and more passes by the pump. CNC mandrel-bending machines and support equipment allow Diamond Eye technicians to fabricate non-restrictive, free-flowing systems to benefit your engine. You have the choice of standard or muffler replacement kits (RP) in a variety of 3 in. models, up to bigger-and-better 5.0 in. systems, in either economical 16-gauge aluminized steel or longer-lasting, good looking 409 stainless steel.