Last Updated: 12/19/14
Doug Thorley Headers made by Doug Thorley Headers

Reviews Doug Thorley Headers Reviews & Discussions:

"Yeah, I was looking at the Doug Thorley headers. I think I'm going to go with a Magnaflow exhaust. Its hard to tell on the youtube videos but it doesnt sound as ricey as the other exhausts. Thanks!"

Posted on 11-24-2014, 05:49 PM

"Cool, I'll check it out! I will be installing some Doug Thorley headers on my 3.4 and would like to know what I'm in for..."

Posted on 11-11-2014, 09:11 PM

"Having trouble deciding on the exhaust part, getting the Doug thorley headers but I'm not too sure what exhaust to add with it. I have the 4.0. Open to advice! Rookie here, thanks"

Posted on 11-04-2014, 04:52 PM

"pm'd on the Doug Thorley headers and sensors..."

Posted on 10-14-2014, 10:01 PM

"Doug Thorley headers and Y pipe bomb installed. It sure is loud with the Borla exhaust. :devil:"

Posted on 09-26-2014, 09:47 AM

"and they read as working just fine but i am still getting a 02 sensor code. is there anything else that might be causing this problem? my mods are as follows, urd MK3 supercharger kit c38-91, Doug thorley headers, 800cc injectors, walbro 255 fuel pump, uco"

Posted on 09-09-2014, 03:30 PM

"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

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