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

The MACH Force XP turbo down-pipe is engineered to perform in the most extreme environments. This down-pipe is constructed from ceramic coated 3" mandrel bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence,...