Stainless Works 2004 Silverado HD Long Tube Header Kit

2004-07 Silverado 8.1L Long Tube Header Kit

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Built To Order in 8 to 12 Weeks (COVID Production Delay)

2004-07 Chevy/GMC 3/4 Ton Truck 8.1L Long Tube headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Features 1-7/8" or 2" primary tubes and 3" collectors, connects to factory head pipe and cats. Headers are fully TIG welded and back purged. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.

Fitment Notes: 

  • Bare Headers will fit Tahoe/Avalanche (Leads will require modification to fit)
  • Does not fit lifted vehicles.


  • Fits 8.1L V8 (Silverado/Sierra/Suburban)
  • 1-7/8" Or 2" Primary Tubes
  • Uses Factory Cats
  • 304 Stainless Steel Construction

Installation Instructions .pdf (1mb)

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Made in the USA

Stainless Works products are made proudly in Cleveland, Ohio

Quality Guarantee

Limited Lifetime Warranty on materials and workmanship

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