Doug Thorley Headers

Doug Thorley Headers is an industry icon synonymous with power, performance, speed and sound. It's a demanding position to maintain but Thorley Headers is committed to their mission of upholding that standard of excellence.

To price Doug Thorley Headers for your specific vehicle, select make, model, and year below.

Doug Thorley Diesel Cat Back Exhaust System
Doug Thorley Diesel Cat Back Exhaust System

Doug Thorley Headers understands your need for extra power and torque. That's why their Thorley Headers Diesel Cat Back Exhaust System uses massive 4" mandrel-bent tubing from the turbo back to the chrome tip for free-breathing flow. Lifetime Warranty. Read More

Priced from $315.95 each

Doug Thorley Single Exit Exhaust System
Doug Thorley Single Exit Exhaust System

Adding some extra horsepower has never been easier, thanks to Doug Thorley Headers' Single Exit Exhaust System. You get custom pipes, an Aeroflow muffler, 50-state smog legality and a chrome tip in one specialized package. Lifetime Warranty. Read More

Priced from $242.95 each

Doug Thorley Dual Exit Exhaust System
Doug Thorley Dual Exit Exhaust System

The legend of Doug Thorley Headers' exhaust performance enjoys new life as this Doug Thorley Dual Exit Exhaust System. Mandrel-bent pipes, an Aeroflow muffler, smog legality and a chrome tip. Backed by a Lifetime Warranty. Read More

Priced from $356.95 each

Doug Thorley Headers
Doug Thorley Headers

Dollar for dollar, no performance upgrade in the world can match a set of Doug Thorley Headers. They're fine-tuned for power and smog legality in a Tri-Y, shorty or long pipe design. Mild steel with a ceramic or nickel coating. Lifetime Warranty. Read More

Priced from $241.95 

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