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Twisted Steel Headers, Up-Pipes & Down-Pipe

GM Diesel Trucks 04.5-10 V8-6.6L (td) LLY/LBZ/LMM
Part Number: 48-34008
$2,151.95

MSRP: $2,624.33

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)

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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.

Notes:
Requires EGR delete race kit

Race Disclaimer:
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. 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. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.

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
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