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Gibson Exhaust Systems - 67501

Cat-Back Dual Extreme Exhaust
  • $610.40
  • Free Shipping
  • Ships Between 10/04 - 10/08
  • What Do You Drive?


  • Style:
    2.5" Dual split swept side exit (Stainless)
  • Part #:
  • Exits behind rear tires
  • Tubing diameter: 2.50" aluminized mandrel bent tubing
  • Muffler specifications:
    • Inlet: 2.50" dual
    • Outlet: 2.50" dual
    • Body height: 4.00"
    • Body width: 9.00"
    • Body length: 18.00"
    • Body shape: Oval
    • Exhaust sound: Aggressive
  • Tip specifications:
    • Inlet: 2.50"
    • 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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Gibson Exhaust Systems Part #67501 Customer Reviews

Average Rating

12 Customer Reviews

Great Exhaust!

Reviewed by Steven C (JACKSONVILLE, FL) Reviewed for a 2016 Toyota Tundra — Apr 12, 2017 6:11 AM

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This is a great sounding exhaust! The price was right and it looks great. Your truck will sound like a truck. The only issue was the Left (Driver Side) rear hanger was not long enough and brought the pipe within 1" of the spare tire. The mechanic at the Toyota dealer said he would have liked about 2" but that it should be alright as it is. That is the only reason for the low mark on Ease of Installation.

Cheap clamps

Reviewed by Dennis G M (DAYTON, MT) Reviewed for a 2017 Toyota Tundra — Jan 05, 2017 2:16 AM

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Bought the stainless steel model. Good fit. Could not get the cheap muffler clamps provided to hold the joints in place. Had to have all the joints tack welded.

Sounds Great

Reviewed by steve k (CHATSWORTH, CA) — Nov 23, 2016 9:54 AM

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Super nice sound, easy to install


Reviewed by Gerard L (Beeville, TX) Reviewed for a 2003 Mazda Miata/MX-5 — Aug 06, 2015 9:33 PM

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I was surprised with the quality and performance of this product. The cat-back exhaust system increased my horsepower as well as my truck fuel efficiency. Very satisfied with my purchase.

What a set of pipes

Reviewed by thomas b (Hopewell Junction, NY) Reviewed for a 2013 Toyota Tundra — Apr 01, 2015 11:59 AM

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Best experience from ordering very helpful to the price shopped and saved the Gibson exhaust quality product went on like a glove

Great price

Reviewed by garrett p (BLUE POINT, NY) Reviewed for a 2008 Toyota Tundra — Feb 04, 2014 11:55 PM

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1 of 1 people found the following review helpful.

Great price sounds Awsome. Took about 4 hours to install by myself.

Gibson Exhaust

Reviewed by Westley M (Modesto, CA) Reviewed for a 2013 Toyota Tundra — Nov 13, 2013 9:10 PM

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1 of 3 people found the following review helpful.

Over all I like system. A little tricky working around spear tire. Grate sound and looks good.

a few things to note

Reviewed by Andrew M (Brandon, FL) — Sep 29, 2011 2:34 PM

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5 of 5 people found the following review helpful.

Overall very happy with the system. A few things to note before purchase. 1) requires deep sockets, the directions do not call for it but they are needed. 2) the nuts that come with the system should be replaced with lock nuts unless you like getting under your truck to check and make sure day to day driving doesnt cause them to fall off. and 3) the system is not an overly aggressive sound, but very nice compromise for a man who wants an exhaust and a wife who doesnt.

Gibson exhaust for supercharged Tundra

Reviewed by Sherman L (Clarksville, MI) — Mar 20, 2009 4:58 AM

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The gibson extreme exhaust syestem put the finishing touch on the supercharged tundra as far as sound, performance, and looks. I am pushing about 600 horse power at the crank on a street driven 4x4 dailey driver. I am very pleased with the product and the sercice provided by Auto Anything. Sherm.

Excellent Exhaust!

Reviewed by Christopher R (Elgin, SC) Reviewed for a 2007 Toyota Tundra — Dec 23, 2008 8:32 AM

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7 of 7 people found the following review helpful.

Auto Anything is a awesome company! My order was placed extremely quick over the phone and it arrived just as fast. Considering it came from Cali and I live in South Carolina. Me and one of my buddies had the factory exhaust off and the new Gibson extreme duals on in about 90 min. it was only tight in one spot under the truck against the bed but the tundra has heat shields in just the right places so it doesn't matter, It also clears the spare tire. It sounds sweet once the muffler warms up. I've heard rumors about exhaust systems needing to be burned in! It didn't seem to be that loud when I first put it on, but after a week or two it really starts to rumble! Maybe its a myth but i believe its true with this system. Lastly If you smell something burning, don't worry it's just the labels burning off the pipes! Chris