Nothing turns heads more than a sweet sounding exhaust system, but even better than good sound is fantastic performance. Doug Thorley makes some of the best flowing, superior sounding exhaust components in the entire automotive industry. Their products are made to the highest quality to ensure great fitment, a custom look and excellent longevity. Providing a noticeable boost in power and efficiency your vehicle will also have a distinctive grumble as it goes down the street. In addition all Doug Thorley components are backed up by great customer service which means you will leave a happy customer when you choose Doug Thorley.

With over 50 years of experience in the industry, Doug Thorley is one of the best known names when it comes to exhaust components. They gained popularity with the invention of the Tri-Y header and have continued to grow, expanding their product range to include all aspects of exhaust systems. All of their components are built using the best raw materials and exacting tolerances which means they fit great and will last forever. The California based company also makes all of their products in the United States so you can proudly support our economy and receive the best exhaust parts in the industry when you choose Doug Thorley.

You ever notice know how when car people talk about their engines, and then one of them mentions headers, the next question seems to always be, "Are they Tri-Y headers?" You can blame Doug Thorley Headers for that one. Not only did the company invent the Tri-Y header design way back in 1958, which allows spent gasses to escape much more efficiently, it has also been designing and manufacturing many other exhaust components for more than 50 years! Another reason to look into Doug Thorley Headers: they are still made in the U.S.A. Oh, and did we mention that every header that Doug Thorley Headers produces is C.A.R.B.-approved? Californians rejoice!