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 polished 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.
- 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
- 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)
Revised Y-Pipe: Now works with 4L60E & 4L80E transmissions. Also allows more room for 4wd vehicles.
Note: Does not fit trucks & SUVs with true dual exhaust.
||Longtube Headers & Y-Pipe
||1999-2006 GM Truck 1500
*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.