| 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
Full 1 7/8" Port Matched Primaries
3" Collector
Gains over 25rwhp
CNC Machined Flanges
Polished Stainless Steel
LS1, LS2 5.7L, 6.0L Engines
Applications:
2004-2006 Pontiac GTO | 
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