Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories.

IN STOCK 1860SJSJBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainles... JBA 01-03 Gm Truck 8.1L BBC w/o EGR/A.I.R. 1-3/4in Primary Silver Ctd Cat4Ward Header 2001-2002 GMC Sierra 3500 SL 2001-2003 GMC Sierra 3500 SLE / SLT 2002-2003 GMC Sierra 3500 Base $851.03 |

IN STOCK - LOW 81TRK2001-03 Chevy/GMC 3/4 Ton Truck 8.1L, headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Features 2" primary tubes and 3" collectors, connects to factory head pipe and cats. Headers are fully TIG welded and back purged. These are... Stainless Works 00-03 Silverado 8.1L Long Tube Headers - Uses Factory Cats 2001-2002 GMC Sierra 3500 SL 2001-2003 GMC Sierra 3500 SLE / SLT 2002-2003 GMC Sierra 3500 Base $1,590.30 |