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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.
Diamond Eye 4" single side T409 Stainless Steel, Diesel Particulate Filter back exhaust system Turn Down configuration is designed to fit new 2011-2015 Duramax Diesel Engine.
Fits all cab and bed lengths and is a direct replacement for the factory pipe.
Comes with SS Vented turn down tip.