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2004 GMC Sierra Exhaust Headers & Manifolds

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Latest Customer Reviews

Gibson Exhaust Performance Headers Reviews


Gibson Shorty Headers and Cat-Back Exhaust System

Reviewed By Stephen B (Fort Pierce, FL) Reviewed for a 2004 GMC Sierra —2/11/2014 5:53 AM

Previously installed a Gibson cat-back exhaust system , there was a noticeable sound and performance gain.Just installed a set of Gibson shorty headers , power is more linear but does not seem to have increased performance much. But both are a high quality product , fitment was great and installation was reasonably straight forward.

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BBK Performance Exhaust Headers Reviews


More Power

Reviewed By DENNIS B (Mount Gilead, NC) Reviewed for a 2004 GMC Sierra —7/1/2009 8:47 PM

THESE BBK HEADERS ARE A QUALITY PRODUCT. THE CERAMIC COATING IS AN EXCELLENT FINISH AND LOOKS GREAT. PERFORMANCE WISE, THEY HAVE INCREASED TORQUE AND OVERALL HP. I'M PLEASED WITH THESE AREAS, BUT I WASN'T PLEASED WITH THE FACT THAT THE HEADERS DIDN'T/DON'T COME WITH A HARDWARE KIT.I WAS UNABLE TO REMOVE STOCK MANIFOLD FLANGE STUDS, COST 30.00 TO GET NEW ONES TO FINISH INSTALL.

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JBA Cat4ward Headers Reviews


more power

Reviewed By rick t (WILMINGTON, NC) Reviewed for a 2002 GMC Sierra —12/6/2014 5:01 AM

They worked and sound great pick up my 1/8 mile speed 1 mile per hour to 84 mph not bad for a 5900lb truck ! Gain about 20 hp just changing to JBA headers.

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