Free Shipping On Orders Over $100 (U.S. Orders – 48 States) ×

aFe POWER 48-34008 Twisted Steel Headers, Up-Pipes & Down-Pipe

GM Diesel Trucks 04.5-10 V8-6.6L (td) LLY/LBZ/LMM
Part Number: 48-34008
$1,952.63

MSRP: $2,381.25

Details:

Headers:

  • Constructed out of 1-3/4" mandrel-bent 304 stainless steel tubing with a .120 wall
  • 1/2” thick, laser-cut, head flanges designed to match the head port for a leak-free seal
  • Optimized tube lengths improve flow and performance

Up-Pipes:

  • Constructed out of 2" mandrel-bent 304 stainless steel tubing with a .120 wall
  • Includes heavy duty 4" flex tubes for added strength and durability
  • 3/8” thick, laser-cut, flanges designed to match the headers for a leak-free seal

Down-Pipe:

  • Constructed out of 3" mandrel-bent 304 stainless steel tubing
  • .065 wall for unrestricted flow
  • OE-style flanges

Product Combo Performance Gains:

  • Produces an astounding +67 horsepower and +171 lbs. x ft. of torque as verified by our in house dyno (Initial test results performed on a 2006 Sierra HD V8-6.6L(td)

Read More
Overview

Headers:
1/2" Laser-Cut Flanges:
These headers come with 1/2" thick laser-cut head flanges that are designed to match the head port for a leak-free seal.

Construction
These unique headers are constructed of 1-3/4" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability.

Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.

Up-Pipes
Construction
These unique headers are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability.

4" Interlock Flex Pipes:
The down-pipes utilizes heavy duty 4" flex tubes with internal interlock liners.

Leak-Free Seal:
High quality 3/8" thick flanges are used for a complete 360 degree sealing surface.

Down-Pipe
Construction
The Down-Pipe is constructed of 3" mandrel-bent 304 stainless steel tubing for unrestricted flow.

Combo
TIG-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.

Hassle-Free Installation:
For a hassle-free installation this kit includes nuts, bolts and a dipstick/tube for clearance.

Note: This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws.

Notes: Requires EGR delete race kit

All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

Applications

Vehicle Applications

Year Make Model SubModel Engine Fuel
2008-2010GMC Sierra HD 2500HD/3500HD (LMM) Duramax Turbo Diesel V8 6.6L Diesel
Reviews (0)

Be the first to review this product

Add-ons/Packages

Please wait...

Item has been added to your shopping cart

Keep Shopping

View Shopping Cart

Item has been removed from your shopping cart

Keep Shopping

View Shopping Cart