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All SLP W-Body Headers:
  • Are constructed from mandrel-bent 409 stainless steel and feature an aluminum-ceramic performance coating, inside and out.
  • Require no welding or cutting for installation!
  • Feature 1 5/8", one-piece primaries; a 3" collector; and a built-in, 3" flex joint.
  • Use strategically placed oxygen-sensor fittings that eliminate the possibility of sensor-to-body contact under heavy throttle.
  • Are available with an SLP High-Flow Catalytic Converter or off-road Race Pipe.
  • Are equipped with genuine OEM flanges.
  • Have provisions for the factory air pump, EGR, and oxygen sensors.
  • Are compatible with both supercharged and naturally aspirated engines.
  • Produce up to 25 additional horsepower, depending on application.
  • Are covered by our Performance Guarantee and Lifetime Limited Warranty.

HIGHLY RECOMMENDED - SLP Header Components:

SLP Header Installation Kit #30071 & either High-Flow Catalytic Converter #30073 or Race Pipe #30072. (Click on the links to go to the Exhaust Accessories page of our catalog.)

For off-road use only. (Photo depicts #30070.)
NOTE - SLP 2004 Exhaust Headers-30074:
These headers may cause your vehicle's "Service Engine" light to illuminate. This is a result of changes GM made to its diagnostic software in 2004 and is NOT an indication of a mechanical problem. Until we have developed an O2 simulator for this application, you may delete the "Service Engine" light with HP Tuner Software.
NOTE - SLP 97-03 Exhaust Headers - 30070:
NOTES: Fits 1997-2003 Pontiac Grand Prixs, Buick Regals, and Chevrolet Monte Carlos equipped with the 3.8-liter "3800 Series" V6 (supercharged or naturally aspirated).
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