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Gibson Exhaust Systems Part #65702 Customer Reviews

Average Rating

2 Customer Reviews


Reviewed by William M (Georgetown, OH) Reviewed for a 2005 Chevy Avalanche — Sep 14, 2016 5:35 AM

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I purchased this Gibson Sport exhaust because it claimed to have a deep throaty voice and NO DRONE when driving down the road. What I got was an exhaust system that sounds like I have a hole in my pipe before the muffler of a stock exhaust and the DRONE inside the truck is so loud and annoying it gives me a headache if I drive more than a half hour or so. Needless to say I will be changing the exhaust system.

Avalanche Dual Sport

Reviewed by MICHAEL B (Westminster, MA) Reviewed for a 2010 Chevy Avalanche — Jul 03, 2008 7:05 AM

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5 of 6 people found the following review helpful.

Received the Gibson stainless exhaust mid week, put it together on the garage floor first and it was a good thing I did because one of the outlet pipes was not expanded enough to fit the muffler properly. I took it to a local muffler shop and $5 later they took care of the issue by expanding the tailpipe. Installing afer that was a breeze. Sounds great, no change in mileage after 5 days of driving. The 409 stainless was much more metalic than i had expected, My borla 304 will not attract a magnet but the Gibson 409 attracted the magnet as if it were 100% steel. Hope is does not rust to badly, I may give it a coat of high temp paint.

Gibson Exhaust Systems - 65702

Cat-Back Dual Sport Exhaust
  • $654.82
    • On Sale: 15% Off
  • $556.60
  • Free Shipping
  • Ships Between 7/27 - 7/31
  • What Do You Drive?


  • Style:
    2.5" Dual swept side exit (Stainless)
  • Part #:
  • Exits Behind Passenger Side Rear Tire
  • Tubing diameter: 2.25" aluminized mandrel bent tubing
  • Muffler specifications:
    • Inlet: 2.50" dual
    • Outlet: 3.00" offset
    • Body height: 8.00"
    • Body length: 24.00"
    • Body shape: Round
    • Exhaust sound: Aggressive
  • Tip specifications:
    • Inlet: 2.25"
    • Outlet: 3.50"
    • Length: 12.00"
    • Finish: Polished
    • Material: 304 Stainless steel
    • Shape: Round
    • Cut: Slash-cut
    • Attachment: Clamp-on
  • Download installation instructions (PDF)

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