Speed Engineering Truck & SUV 1 3/4" Longtube Headers (1999-2006)

SKU: 25-1012

Regular price $289.99 Save $-289.99
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Only -213 items in stock!

(In Stock)

Speed Engineering headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our headers are mandrel bent, tig welded, and feature polished stainless steel construction. All of our headers have been dyno proven. We stand behind our 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" Primaries
  • 3" Collector
  • Gains over 25+ rwhp
  • V8 Engines Only
  • 4.8L, 5.3L, 6.0L Engines
  • CNC Machined Flanges
  • Polished Stainless Steel
  • Standard Graphite Manifold Gaskets

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)

Revised Y-Pipe: Now works with 4L60E & 4L80E transmissions. Also allows more room for 4wd vehicles.

Note: If using a larger 4L80E transmission the bellhousing ears may need to be trimmed for proper clearance.