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- Doug Thorley Headers have been the cream of the performance exhaust crop since 1958
- Custom-made for your vehicle from durable 14-gauge steel tubing for longevity and a precise fit
- Doug Thorley Headers are available for your vehicle in one of three header styles:
- Tri-Y Headers: Doug Thorley Tri-Y Headers feature unique engineering that properly matches your firing sequence, freeing your engine from the strain of pushing exhaust gasses. Provides power from idle through 4500 RPM
- Shortie Headers: The easiest Doug Thorley Headers to install, these custom models are made short to fit limited space vehicles. Special care is taken to preserve emissions mounting positions for smog legality
- Long Tube Headers: For power in the mid to high RPM ranges, Doug Thorley Long Pipe Headers are tuned to deliver. They're the ideal pick for high-horsepower street vehicles
- Doug Thorley Headers utilize a polished nickel chrome finish or a heavy-duty metallic ceramic coating that reduces under hood temperatures
- Because Doug Thorley Headers are made to stringent 50 state smog law standards, all headers are available with the necessary smog equipment and mounting spots
- Doug Thorley Headers include a model-specific gasket for a leak-free fit (most vehicles)
- Each model includes all necessary O2 sensor bosses for factory sensors
- Proudly made in the USA
- Your Doug Thorley Headers carry a Lifetime Warranty for the original owner
It was the late 1950s, during the golden era of hot rods, when Doug Thorley crafted his plans for the highest quality headers on the block. Fine tuning, superior craftsmanship and unmatched attention to detail helped Doug Thorley Headers power street racers everywhere.
Now 50 years later, Doug Thorley Headers are built with the same mission in mind: amping-up the power of your street ride. Thorley Headers use one of three souped-up designs: a unique Tri-Y setup that roars from idle up to 4500 RPM; shortie headers for ease of installation and smog compliance; and long tube headers that specialize in mid to high RPM power.
Because they're setup for the streets, Thorley Headers also feature the hardware and custom flanging to be 50-state smog legal (some shortie applications). Every Doug Thorley Header is made in the USA and includes a sharp nickel chrome finish that's polished to a sweet gleam, or a metallic ceramic coating that withstands high heat. And, your Doug Thorley Headers carry a Lifetime Warranty for the original owner.
Thanks to the Magnuson Moss Warranty Act: US Code ¨C Title 15, Chapter 50, Sections 2301-2312, your vehicle¡¯s factory warranty is protected by law when you add aftermarket parts. DetailsManufacturer Info
When you buy from AFA Motors, you can rest assured that you'll get the right part for your vehicle, or we'll make it right.
Free Return Shipping on Exchanges
We'll pay for the return shipping on exchanges for all orders (even gifts with proof of purchase).
Plus every purchase comes with our 1-year lower price guarantee and expert service from our team of Gearheads.
It's our commitment to you, exclusively from afa-motors.com.
Some restrictions apply. See terms below.
How to Return an Item
Step 1: Start a Return from Your Online Account
Please log in to your account. Locate and click on your order under Order History. Find the item you wish to return or exchange and click on Return Item to submit your request.
Step 2: Receive a Return Authorization Number (RMA#)
One of our customer care specialists will provide you with:
- An RMA#
- An email with detailed return shipping instructions
Step 3: Pack & Ship
Pack everything that came with the product using its original packaging.
- Affix the return shipping label that we provided to the package. If we didn't provide you with a return shipping label, make sure to include the RMA# on the package.
- Ship the package to the address specified in the email you received from Step 2.
Step 4: Receive Your Refund or Exchange
After we receive your package, we'll process your refund or exchange immediately. You can expect to see the refund, less any applicable restocking fees, credited within 5-7 business days, to the payment method that you used when you originally placed your order. If you selected an exchange, we will ship you replacement item out immediately.
All returns are subject to a 20% restocking fee.
We'll waive the restocking fees if we made a mistake or if the product was delivered defective.
We'll also waive the restocking fee if you decide to exchange your product with another purchase.
Frequently Asked Questions
Which products can be returned or exchanged?
Most products can be returned within 30 days of purchase, provided it is returned in original packaging and the items are in new and unused condition. We reserve the right to charge up to the full value of the product for items not received in this condition.
Products that cannot be returned or exchanged:
- Some products, including, but not limited to, custom patterned and custom, and painted items are not returnable
- Products that shipped via freight, typically oversized and heavy items.
- Products that have been installed on your vehicle
- Products that have been modified (drilled or altered in any way)
Under what conditions may I return an item?
While we pride ourselves in our partnerships with leading vendors, accidents happen. Call us at (800) 874-8888 option #2 once you've discovered the defect, and we'll straighten it out.
Occasionally packages in transit can become damaged. Call us right away so we can set it straight.
If you've received an incorrect product, or if we've guaranteed fitment on your order, and the product does not fit your vehicle, give us a call at (800) 874-8888 and select option #2, and we'll start the return process for you.
If your tracking information says delivered, but you haven't received your package yet, let us know. We will work with the carrier to get to the bottom of it.
Do I have to pay for return shipping?
Returns happen, and we're here to make the experience easy! In most cases, you are responsible for return shipping, but we can offer you a discounted return shipping label. If your item arrived defective or we made a mistake, we will happily take care of the return shipping.