Last Updated: 9/1/14
Doug Thorley Headers made by Doug Thorley Headers

Reviews Doug Thorley Headers Reviews & Discussions:

"it and ran it threw the header tubes. I still have to mod my cats to run both cats. I had an 3.5" exhaust extension because the 2nd cat didn't reach the headers. They also have a ready bolt on Doug Thorley headers too. So its all up to you how much work yo"

Posted on 08-24-2014, 06:00 AM

"Just an update if anyone cared to know. the issue with the creeping AFR under boost was due to a faulty AFR sensor on the truck. replaced it and retuned and problem gone. since then I've added Doug Thorley headers, custom stainless steel exhaust with easte"

Posted on 08-19-2014, 06:54 PM

"It all started when i reinstalled my short tube doug thorley headers after taking the long tubes out because they are to loud for a new born baby... first thing that happend was i got 5! fricking p0 codes im sorry i forget what ones i looked them up and th"

Posted on 08-11-2014, 12:36 PM

"Have you thought about a "Doug Thorley Headers" group buy?"

Posted on 08-09-2014, 02:09 AM

"Does anyone know if 08 FJ Doug Thorley headers will fit an 08 Tacoma?"

Posted on 07-20-2014, 07:35 PM

"Got my doug thorley headers in that I found on craigslist. They look awesome! There's one thing throwing me off however. The passenger side header looks like its half way coated in ceramic. Also, the flange looks like it was..."

Posted on 06-15-2014, 11:18 AM

"7th injector kit to try and knock out some ping I'm getting at around 2000 rpm. Hopefully I can tune it out with some patience! Only pic I got is of the light mounted. Found a SMOKIN deal on some Doug Thorley headers on Craigslist. They should be here tomo"

Posted on 06-12-2014, 07:53 AM

"Got a smokin deal on some doug thorley headers. Should be here Friday. I'm debating on selling them and using the cash to go meth injection... hmmm what to do what to do..."

Posted on 06-10-2014, 06:56 PM

"I smogged it I smogged it fine with my intake tube fully exposed under the fender as well. I run fiberglass so I cannot use any fender liners unless fabricated. Only visual issue I had was that my Doug Thorley headers didnt have a CARB stamp.. had to drive"

Posted on 05-06-2014, 08:42 PM

"I just got Doug Thorley headers and 2 new cats and that cat wouldn't work on my 04 with out the front cat."

Posted on 05-01-2014, 11:43 AM

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