JBA Performance Exhaust Shorty Headers - 1.75 in Primary - 2.5 in Collector - Silver Metallic Ceramic - GM Fullsize SUV / Truck 1996-2000 (Pair) 2010181 2002-2004 GMC Sierra 2500

2002-2004 GMC Sierra 2500

5/8 coarse studs installed on 5 pattern

Patriot Exhaust H7688 4-1 Formed Collector 2 1/8"x 3 1/2

the valve will block pressure from reaching downstream

XHD Rock Sliders

JBA Performance Exhaust Shorty Headers - 1.75 in Primary - 2.5 in Collector - Silver Metallic Ceramic - GM Fullsize SUV / Truck 1996-2000 (Pair) 2010181 2002-2004 GMC Sierra 2500JBA 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 stainless steel to endure the abuse of racing, towing, and daily driving built to withstand it all. JBA's proprietary Firecone collector design uses race proven