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The Ultimate Gift for Gearheads!

Doug Thorley Headers

The same way Summit Racing offers more than just racing parts, Doug Thorley Headers makes much more than just headers. Doug Thorley manufactures a full line of exhaust products, including complete exhaust systems, free-flowing Y-pipes, tailpipes, and much more. And yes, you’ll find legendary Thorley headers, too. We’ve got full-length, tri-Y, block hugger, and shorty headers to meet your torque and power needs. Unleash the beast under your hood—shop Doug Thorley Headers exhaust parts at Summit Racing today!

View all Doug Thorley Headers Clearance items!

Results 1 - 6 of 6

Click here for more information about Doug Thorley Headers

Doug Thorley Headers

Backed by 40-plus years of knowledge and experience, Thorley headers are designed to outflow your stock exhaust manifolds. Th...

(8)

$307.97

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$789.97

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Clearance Details...

Click here for more information about Doug Thorley Tri-Y Headers

Doug Thorley Tri-Y Headers

Thorley headers are designed to outflow your stock exhaust manifolds. These headers increase gas mileage and give your ...

(7)

$324.97

-

$873.97

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about Doug Thorley Headers Collector Gaskets

Doug Thorley Headers Collector Gaskets

These collector gaskets are the only ones designed exclusively for use with Doug Thorley headers. Manufactu...

Not Yet Reviewed

$7.97

-

$19.97

Click here for more information about Doug Thorley Exhaust Systems

Doug Thorley Exhaust Systems

Doug Thorley exhaust systems are the best choice to wake up the performance and looks of your vehicle, while providin...

Not Yet Reviewed

$214.97

-

$264.97

  • Free Shipping

    Order this product and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Click here for more information about Doug Thorley Exhaust Header Gaskets

Doug Thorley Exhaust Header Gaskets

These Doug Thorley header gaskets are custom-made from a high-temperature material that withstands heat up to ...

Not Yet Reviewed

$14.97

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$33.97

Click here for more information about Doug Thorley Air Conditioning Brackets

Doug Thorley Air Conditioning Brackets

Install your Thorley headers and keep your air conditioning with these Doug Thorley air conditioning bracke...

Not Yet Reviewed

$15.97

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