aFe SATURN 4S - 4" 409 Down-Pipe Back Exhaust for 02-04 Silverado 2500HD 6.6L

aFe Saturn 4S 4in 409 SS Down-Pipe Back Exhaust w/o Tip 02-04 GM Diesel Trucks V8-6.6L (td) LB7 GM Diesel Trucks 02-04 V8-6.6L (td) LB7 4" mandrel-bent 409 stainless steel tubing for maximum flow and longevity Quality OE style flange is used for a...

aFe Power MACH Force-Xp 3" Down-Pipe for 06-10 Silverado HD 6.6L

If you are looking for a highly engineered down pipe look no further than the aFe Power Mach Force XP Down Pipe. Down pipe is 100 percent TIG welded and uses a stepped design that increases exhaust velocity and eliminates low pressure drops which helps...