FLOWTECH's emissions–friendly Headers are just the ticket for those who want the best of both worlds – top performance and a clean machine. All Shorty Smog Headers bolt on quickly and easily to the factory exhaust system, retaining all stock emissions equipment, and offering maximum horsepower gains plus increased efficiency

99–02 Chevy/GMC Silverado/Sierra: 4.8L/5.3L, Tube Size 1.625" O.D., w/o A.I.R. w/EGR, Ceramic Metallic Coating

Features
* Mandrel-bent tubing for smooth exhaust flow
* Sturdy 16 gauge tubing
* Extra thick 3/8” flanges for a leak-free seal
* Designed as a direct fit replacement for OEM exhaust manifolds
* Will accommodate all emission control devices
* Bolts directly to factory head pipe
* Complete with premium gaskets and hardware
* Emissions legal in all 50 states - EO#D-115-16