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Worldwide Shipping Speed Engineering Long Tube Headers 99-06 Gm Truck Tool [B8CJ0LK5]

$45.99 $147.99 -69%

**NOTE: These headers are not EPA certified and do not carry a CARB approval.  They are intended for competition use only and are not eligible to ship to California under any circumstance.   WARNING: This is a RACE ONLY product manufactured and sold

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**NOTE: These headers are not EPA certified and do not carry a CARB approval.  They are intended for competition use only and are not eligible to ship to California under any circumstance.  

 WARNING: This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability, including fines of up to $4,819 per day.

Speed Engineering headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Their headers are mandrel bent, tig welded, and feature natural stainless steel construction. Speed Engineering's headers have been dyno proven and they stand behind their headers in saying you will not find a better fitting, quality built, budget header for your vehicle.


Features include:

  • Mandrel Bent Tubing
  • Merge Spikes
  • Race Version with "NO" Air & EGR Fittings
  • Full 1-3/4" OR 1-7/8" Primaries
  • 3" Collector
  • Gains over 25+ rwhp
  • V8 Engines Only
  • 4.8L, 5.3L, 6.0L Engines
  • CNC Machined Flanges
  • Polished Stainless Steel

Vehicle Applications:

  • 1999-2006 Chevrolet Truck & SUV (2wd & 4wd)
  • 1999-2006 GMC Truck & SUV (2wd & 4wd)
  • 2002-2006 Cadillac Truck & SUV (2wd & 4wd)
  • 2002-2006 Chevrolet Avalanche (2wd & 4wd)

 

Part Number 25-1012, 25-1011
Part Type Longtube Headers
Brand Speed Engineering
Vehicle 1999-2006 GM Truck 1500
Material Stainless Steel

 

*Item ships directly from Speed Engineering and our price includes any associated shipping charges. Speed Engineering's exhaust and header kits are intended for off-road use only and are not eligible for shipping to California residents.

What Our Customers Say

January 12, 2026

Absolutely no complaints!

A solid, reliable, and stylish choice.

- Xavier F..

January 12, 2026

Absolutely no complaints!

I’m impressed. It’s a very solid product.

- Hazel V..

January 12, 2026

Absolutely no complaints!

This is a very good tool.

- Sheri J..

Write a Review

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