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Doug Thorley Performance Parts and Accessories

1-8 results out of 8
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Doug Thorley HDR TRIY GM 55-57 - Part No. THY327YC

HDR TRIY GM 55-57

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FREE
your price
$547.05

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Qty
Doug Thorley HDR BLK HUG W/ KIT - Part No. THY326HC

HDR BLK HUG W/ KIT

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FREE
your price
$362.25

in stock
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Doug Thorley EXHST CAM 86-92 - Part No. 85404

EXHST CAM 86-92

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FREE
your price
$345.45

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Doug Thorley HDR SHORTIE 04-05 - Part No. THY219

HDR SHORTIE 04-05

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FREE
your price
$428.31

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Doug Thorley HDR TRIY GM 55-57 - Part No. THY327Y

HDR TRIY GM 55-57

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FREE
your price
$354.90

in stock
Qty
Doug Thorley HDR BLK HUG - Part No. THY326C

HDR BLK HUG

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FREE
your price
$320.25

in stock
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Doug Thorley HDR 67-74 361-400 B&E - Part No. THY151

HDR 67-74 361-400 B&E

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FREE
your price
$411.60

in stock
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Doug Thorley HDR SHORTIE 04-05 - Part No. THY221C

HDR SHORTIE 04-05

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FREE
your price
$648.90

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About Doug Thorley

Doug Thorley Headers has just achieved a mile stone of 50 years of manufacturing perfection. Doug Thorley's commitment to the aftermarket performance exhaust has kept them on the leading edge of exhaust technology. Doug Thorley headers are still 100% American made on the highest quality manufacturing equipment. Since Doug Thorley invented the Tri-Y header they have become the legendary leader in the automotive aftermarket for performance enhancement.

Doug Thorely Headers carries a wide variety of products not just dedicated to exhaust enhancement. Dougs manufactures their own line of Billet Polished Mirrors for street rod and custom car applications. Their wide range of products from Shortie, Long and Tri-Y headers assures they have the product to provide soluctions for exhaust application.

  • Why don't we show the price?

    When a manufacturer implements a Minimum Advertised Price (MAP) policy, they create limits on the list price that retailers are allowed to advertise their products for. In line with our efforts to continually provide the lowest possible price, we've made it easier for you to inquire about our Exclusive Pricing on these MAP items.

  • Shipping Policy

    Free Ground Shipping
    Free FedEx ground shipping on all orders over $100. Free shipping to 48 Continental United States only. Orders under $100 will incur a FedEx ground shipping charge of $9.95.

    $9.95 Per Wheel/$25 Per Tire
    Each wheel will incur a $9.95 per wheel fee and each tire will incur a $25 per tire fee up to $99. You will be charged a maximum of $99 regardless of how many wheels and/or tires you purchase.

    $99 Truck Freight
    Oversized parts will incur a $99 truck freight charge that FedEx cannot provide standard ground shipping on.