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Gibson Exhaust Systems Part #65651 Customer Reviews

Average Rating

4 Customer Reviews

Gibson Exhaust System

Reviewed by DAN B (ARNOLD, MO) Reviewed for a 2017 GMC Sierra — Sep 20, 2017 10:09 AM

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Overall great product; very deep sound as well. Instructions were so-so but otherwise you got the idea of what went where. My only issue is that this kit IS sitting tight to the trailer hitch/frame work as it comes out the back of the truck. Not sure if that will have an effect on either pieces of equipment over the long haul or not? Installation only took two hours as well.

Final fixture/appearance

Reviewed by Kevin C (Whitman, MA) Reviewed for a 1973 Ford F-250 — Mar 24, 2017 4:13 AM

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Once the exhaust was installed it did not line up equally under the bumper from left to right straight out the back The exhaust had to be cut and customized to go out at an angle on both sides to make line up correctly

new exhaust

Reviewed by Barry A (Goshen, CT) Reviewed for a 2013 GMC Sierra — Sep 06, 2013 7:05 PM

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2 of 4 people found the following review helpful.

Took about 2.5 hours to install start to finish. Had to bend back passenger side hanger to clear hitch. Sounds great, have k/n cold air intake next purchase will be programmer.

Great sound

Reviewed by Randall H (Eubank, KY) Reviewed for a 2012 GMC Sierra — Feb 23, 2013 5:51 AM

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0 of 1 people found the following review helpful.

Easy Installation

Gibson Exhaust Systems - 65651

Cat-Back Exhaust
  • $776.33
  • Free Shipping
  • Ships Between 8/30 - 9/04
  • What Do You Drive?


  • Style:
    3" Dual split rear exit (Stainless)
  • Part #:
  • Exits by factory location
  • Tubing diameter: 3.50" / 3.00" aluminized mandrel bent tubing
  • Muffler specifications:
    • Inlet: 3.50" center
    • Outlet: 3.00" dual
    • Body height: 8.00"
    • Body length: 24.00"
    • Body shape: Round
    • Exhaust sound: Aggressive
  • Tip specifications:
    • Inlet: 3.00"
    • Outlet: 4.00"
    • Length: 12.00"
    • Finish: Polished
    • Material: 304 Stainless steel
    • Style: Rolled
    • Cut: Slash-cut
  • Download installation instructions (PDF)

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