Compatible with 2002-2013 Chevy Silverado/Tahoe/Avalanche/Suburban and GMC Sierra V-8 4.8L/5.3L, Tube Size 1-5/8 in. O.D., Black High Temp Paint, C.A.R.B. EO# D-20115-20; Flowtech Headers are the perfect combination of quality and value. These shorty, emission compatible headers fit the popular 2002-2013 Chevy Silverado/Tahoe/Avalanche/Suburban and GMC Sierra V-8 4.8L/5.3L, 2WD/4WD.;
Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity Heavy duty 16-gauge tubing for increased strength and durability Smooth transition, 1-5/8†diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response OE style 2-1/2†ball and socket collector connects to factory exhaust head pipe with no cutting or welding TIG-welded, machined 3/8†header flange for a leak-free seal and maximum strength Premium aluminum header gaskets included Coated in high heat resistant black paint Headers are a must if you are using a cold air intake, cat-back exhaust system or tuner C.A.R.B. EO# D-115-20
