RV Headers

Doug Thorley Headers THY-312

Doug Thorley Headers is the leader in the automotive and light truck aftermarket industry for manifolds and exhaust systems. With the all T304 stainless steel design and thermal barrier coating, you will increase the fuel efficiency of your fleet, saving thousands annually in fuel costs and component failure.

DTH products are designed to last using top quality materials and an industry leading 1/2″ thick mounting flange. This equates to a leak free exhaust manifold alternative that is designed to give you years of faithful service, increased power and most of all, increased fuel economy for your fleet.

Severe Duty Tubular Headers

Less heat fatigue on starters, motor mounts, and spark plug wires
T304 Stainless Steel Construction with thermal barrier coating
Direct-fit, all-inclusive kit. No welding required.
50+ years of American Made “Know How”
Short Install Time – About 2 hours
Increased Fuel Economy

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