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Doug Thorley Headers Part #THY-310Y-1-C Customer Reviews
3 Customer Reviews
Reviewed by Clinton f (JONESBOROUGH, TN) Reviewed for a 2013 Chevy Silverado — Jul 25, 2016 9:01 PM
I play proball and my buddy on my team has the doug thorley longtubes on his 09 6.2 silverado and he talked about it helping more with Power than even his Tuner. He wasn't lying. As far as installation goes. Just take your time and do it right. Take a day and do it right and it's not bad at all. Once you get the stock headers off putting the new ones on is not bad. Use PB blaster to loosen old headers. Much easier after
Reviewed by Zebulon S (BETHANY, OK) Reviewed for a 2009 Chevy Silverado — Mar 19, 2016 12:01 PM
Pros: Great quality, easy to install if you know what you're doing, added power, sound. Fit 6.2 Cons: better check bolts after driving it repeatedly cause they aren't locker nuts and they come loose easy, had three bolts come off in first week. Needs better directions, Have to get the y pipe welded At a muffler shop Overall, great headers and great quality - made is USA
Reviewed by kris r (FRESNO, CA) Reviewed for a 2011 Chevy Silverado — Jul 10, 2013 9:03 PM
got these headers on and there amazing time consuming make sure you have friends to help fit on my 2011 gmc sierra sounds amazing
Ships Between 7/18 - 7/20
- What Do You Drive?
- Style:Ceramic Coating
- Part #:THY-310Y-1-C
- Dual Header Exit
- Header comes equipped with mid-pipe or Y-pipe assembly
- Mild Steel
- Download installation instructions (PDF)
- Tube Size: 1 5/8"
- Collector Size: 2 1/2"