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GMC Jimmy Exhaust Headers & Manifolds

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Latest Customer Reviews

JBA Cat4ward Headers Reviews


Nice Affordable Headers!

Reviewed By Bruce P (HENRICO, VA) Reviewed for a 2007 Dodge Magnum —8/2/2017 9:19 PM

These headers were sent directly to my repair shop andinstalled on a replacement engine. Factory gaskets were used in place of the jba ones. My shop said they had to modify my dipstick to get the best fit. The headers look nice and time will tell how they hold up. There is no noticeable sound difference.

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Dorman Exhaust Manifold Reviews


l did not get the welded ones that would be better l think

Reviewed By Fred S (International falls, MN) —5/16/2017 11:22 AM

the manifolds l got were cast iron l was hoping for the stainless steel welded ones But maybe next time they are forever cracking on the triton 5.4 the cast ones fit perfect I'am very happy with them Thanks Fred

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Doug Thorley Headers Reviews


Tacoma 2.7 improved

Reviewed By MARCUS D (CORONA, CA) Reviewed for a 2013 Toyota Tacoma —5/9/2017 10:08 PM

Header was well built. Great finish, very pretty. Install was a pain, but I figured it out. The egr housing hits the header flange, so I enlarged the mount holes with a drill bit and it shifted the egr just enough. Install took me 3 hours and I am an experienced mechanic. First test drive I noticed no difference. After a few fillups and the computer adjusted and get better pedal feel and little better fuel economy. Even with the hassle of the install, no regrets.

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