May 10, 2019
Doug Thorley Headers manufactures the best American made performance Headers and headers for your truck, car or even motorhome. Contact us for pricing at: [email protected] Toll: (800) 347-8664 Doug Thorley Headers 1280 Graphite Dr. Corona, CA 92881
Chevy/GM 5.7L Vortec C1500 Truck Long Tube Tri-Y Chevy Headers ... 2002-2013 Chevy/GM 4.8-5.3L Silverado/Sierra Long Tube Tri-Y Headers. This complete header kit makes huge increases in power output of your LS based GM truck or SUV! Backed by over 50 years of knowledge and experience, our headers are designed to outflow your stock exhaust manifolds by leaps and bounds.