aFe Twisted Steel Up-Pipe GM Diesel Trucks 01-04 V8-6.6L (td) LB7

Construction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" Inner Liner Flex Pipes: The down-pipes utilizes heavy duty 2" flex tubes with internal inner liner. Leak-Free Seal: High quality 3/8" thick flanges are used for a complete 360 degree sealing surface Twisted Steel Header Up-Pipe GM Diesel Trucks 01-04 V8-6.6L (td) LB7

• Heavy Duty 2 in. Flex Tubing w/Inner Liner Improves Air Flow
• 3/8 in. Thick Laser Cut Flanges For a Leak-Free Seal
• Stainless Steel Tubing w/0.120 Wall