99-06 GM Truck/SUV Header Package

  • Sale
  • $1,359.98

Available for in house installation only. Package includes partsinstallation, and, tuning!!


This package includes Texas Speed and Performance stainless steel 1-7/8" long tube headers with 3" collectors. A 3" off-road y-pipe is utilized to connect the newly installed headers to a factory style cat-back exhaust system. Custom tuning is handled on this package with HP Tuners custom tuning device on our in house Mustang Dynamometer MD-250. Before and after Dyno sheets producing Horsepower and Torque will be included with this package. Typical gains of 30+ hp to the rear wheels.



  • 1-7/8" 304 Stainless Steel
  • Thick LS Flanges
  • 3"  collector w/ welded O2 bung
  • Includes new Cometic gaskets!
  • Y-Pipe included


*Also fits 2007 Classic (NBS) Trucks