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. Read 50Doug Thorley Headers exhaust, mufflers & tips reviews, with an average rating of 4.50 out of 5 stars, to help determine which Doug Thorley Headers exhaust, mufflers & tips are right for you.
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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.
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Doug Thorley Headers Exhaust, Mufflers & Tips Reviews Check out this recent Doug Thorley Headers customer review: Robert Y from Monument, CO says "I've had my Thorley Headers installed on my '89 Toyota Pickup for about a week now, and they are fantastic! The sound they make is truly melodious coupled with the FlowMax muffler. It took about five hours to get them on, but well worth the effort. Fitment is perfect. Not only has it increased my MPGs from 18 to 22, I can feel a definite boost in power as well. And this from an engine with almost a quarter of a million miles on it. I would absolutely recommend them to anyone considering this upgrade."
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