Doug Thorley Single Exit Exhaust System

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Features

  • Doug Thorley Cat-Back Exhausts offer the fastest, easiest route to extra kickin' horsepower from your ride
  • Custom-made from flange to tip for your specific year, make, model and sub-model
  • Doug Thorley Cat-Back Exhausts employ CNC mandrel-bent 16-gauge aluminized steel tubing for restriction-free exhaust flow
  • Integrated factory-style hangers make installation a straightforward and satisfying project
  • Doug Thorley Cat-Back Exhausts utilize Thorley's exclusive Aeroflow maximum performance muffler
  • Adds a gutty exhaust sound that performance enthusiasts crave
  • Doug Thorley Cat-Back Exhaust Systems are capped with a gleaming chrome exhaust tip
  • Your Doug Thorley Cat-Back Exhaust System is covered by a Lifetime Warranty for the original owner

Description

Doug Thorley Headers have been making performance exhaust power simple since 1958. Now, with their fresh line of Doug Thorley Cat-Back Exhausts, extra tire-spinning ponies have never been easier to add to any vehicle.

Doug Thorley Cat-Back Exhausts know the quickest route to extra power: quality materials, top-end engineering and a premium fit. All pipes are 16-gauge aluminized steel tubing that's CNC mandrel-bent to eliminate backpressure. Free-flowing exhaust jets through a premium Thorley Aeroflow muffler for power and a manly exhaust rumble.

Doug Thorley Cat-Back Exhausts fit perfectly and look great, too. Integrated factory-style hangers make for simple installation. In fact, most systems require no cutting or welding. And, each exit pipe is topped by a premium chrome exhaust tip. Your Doug Thorley Cat-Back Exhaust boasts a Lifetime Warranty to the original owner, too.

Easy power makes your performance exhaust choice easy: install a Thorley!

Average Customer Rating

  (42)
Appearance Appearance
Ease of Installation Ease of Installation
Price/Value Price/Value
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Fit great?

Posted on 08/24/2006 by Ron G. - 1993 Toyota 4Runner (Santa Clarita,CA)

"Everything fit great except the Cat connection. The type of gasket is different."

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About Ron G.
Vehicle
1993 Toyota 4Runner
I use my vehicle for
Family car
 
like it, but wish I bought a dual

Posted on 08/22/2006 by John P. - 2002 Ford Mustang (Willoughby,OH)

"The single exhaust is nice. A bit softer than I would like. pick up in my v-6 mustang is much better. Rumble is low wished I wished I bought the dual system. Local shop installed with no problems. John in Ohio"

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About John P.
Vehicle
2002 Ford Mustang
 
Did not fit as promised

Posted on 08/22/2006 by Miro Z. - 1997 Toyota Tacoma (Lake Placid,NY)

"Not bad system for the price, but the front pipe did not match the sensor attachment , we had to cut and use piece of the old pipe to make the system work."

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About Miro Z.
Vehicle
1997 Toyota Tacoma
I use my vehicle for
driving :)
 
02 chevy Z71

Posted on 08/19/2006 by Kevin A. - 2002 Chevy Silverado (Fruitport,MI)

"In 35 years of working on cars this was the easiest exhaust system ever. Sounds great and it works as advertised. Autoanything has best price and service,thank you very much."

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About Kevin A.
Vehicle
2002 Chevy Silverado
I use my vehicle for
commuting,hunting,fishing,travel,work
 
Not entirely what I expected.

Posted on 08/18/2006 by Todd L. - 1997 Toyota 4Runner (Loveland,CO)

"This system was surprisingly easy to install. It isn't truly a "Doug Thorley". It's manufactured by Jardine. It looks nice, sounds good and performs to my expectations for the most part."

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About Todd L.
Vehicle
1997 Toyota 4Runner
I use my vehicle for
Daily Driver
 
nice sound

Posted on 08/18/2006 by Thomas L. - 2004 Jeep Grand Cherokee (New Bedford,MA)

"not an easy install adapter needed was hard to find had to have one custom made"

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About Thomas L.
Vehicle
2004 Jeep Grand Cherokee
I use my vehicle for
every day driver
 
great i love it for a 92 toyota pick up

Posted on 07/08/2006 by Matthew M. - 1992 Toyota Pickup (Wallkill,NY)

"works great easy to install great sound truck runs smoother better pickup and gas milage"

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About Matthew M.
Vehicle
1992 Toyota Pickup
I use my vehicle for
everything
 
Sweet

Posted on 05/02/2006 by Daniel M. - 2000 Toyota 4-Runner (Gainesville,FL)

"Great sound, beautiful chrome tip and good power improvement. It was easy to install after the removal of the stock system."

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About Daniel M.
Vehicle
2000 Toyota 4-Runner
I use my vehicle for
Boat and Harley towing and family activities.
 
VROOM VROOM!

Posted on 04/14/2006 by Wayne M. - 1993 Toyota 4-Runner (Charles Town,WV)

1 of 1 people found the following review helpful.

"Came home, and saw the box. So of course I had to look (drool) over the cat-back system that would be going into my 93 4Runner (3.0L 6 cylinder). Quality all the way. Next step - a trip to my favorite mechanic shop (Pennington's in Martinsburg WV) to get it installed. Since I just purchased my 4Runner I decided it would be best to not only have the exhaust system installed, but also to replace the cat converter, and 02 sensor. The mechanic had no problem installing the exhaust, and I was on the road in about an hour. So long story short - along with the exhaust I installed a K&N Cold Air System (myself), and there is a nice difference in performance, and so far about a four miles per gallon improvement in mileage. Not to mention it does add a nice growl to my Runner. Hope this helps."

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About Wayne M.
Vehicle
1993 Toyota 4-Runner
I use my vehicle for
EVERYTHING a 4Runner is designed for!!
 
Exhaust!!!!

Posted on 03/16/2006 by Jennifer C. - 2002 Toyota 4-Runner (Fernley,NV)

"Great sound and power."

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About Jennifer C.
Vehicle
2002 Toyota 4-Runner
 
Superb Exhaust for Toyota Tacoma

Posted on 02/24/2006 by Allison A. - 1997 Toyota Tacoma (New Rochelle,NY)

"The exhaust was great my husband installed it in a couple of hours. The is material strong and durable. The main problem was getting the old exhaust off."

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About Allison A.
Vehicle
1997 Toyota Tacoma
I use my vehicle for
family activities
 
Great exhaust

Posted on 02/23/2006 by Robin W. - 1998 Toyota Tacoma (Dover,NH)

"The exhaust is well worth the money you spend. It sounds great and goes together easily. The only thing I did not like was the gasket they give, I replaced it with a better one. Besides that the exhaust is great!"

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About Robin W.
Vehicle
1998 Toyota Tacoma
I use my vehicle for
Offroading, Travel, Daily Commute
 
2000 Dakota Quad Cab 4X4

Posted on 02/22/2006 by Lyle K. - 2000 Dodge Dakota (Las Vegas,NV)

"I love this exhaust.. Great sound easy install good pickup. I added the JET Chip and WOW.. What a difference."

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About Lyle K.
Vehicle
2000 Dodge Dakota
I use my vehicle for
Towing toys
 
Love it!

Posted on 02/21/2006 by Derrick B. - 1995 Toyota 4-Runner (Colorado Springs,CO)

"This cat-back system sounds beautiful... Gives me a little more power... And just looks good with the chrome tip. The system did require for me to cut off an inch of it cause it was to long, but that was hardly an issue."

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About Derrick B.
Vehicle
1995 Toyota 4-Runner
I use my vehicle for
Everything
 
no welding????

Posted on 02/20/2006 by Timothy B. - 1991 Toyota Pickup (Newport,NC)

"it looks nice but it sounds like I need a new muffler! the clamp that is secured aft of the muffler and before the muffler leaks slightly, causing a noisy truck. Also, the entire system didn't line up with the catalytic converter so I had to rig the system lower than the design. I will put an exhaust pipe patch on and see if it stops the leak"

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About Timothy B.
Vehicle
1991 Toyota Pickup
I use my vehicle for
commuting, Lowes trips. (48 crew rocks!)
 
great sound cheap price

Posted on 02/15/2006 by Eben F. - 1998 Toyota 4-Runner (Eastham,MA)

"well put together can't beat the price very happy with the look and sound from the pics i was led to believe that the exhaust was side exit like stock but it is more of an angled back exit very nice quick install great service"

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About Eben F.
Vehicle
1998 Toyota 4-Runner
I use my vehicle for
everything
 
Just right!

Posted on 01/28/2006 by Paul D. (Mechanicsburg,PA)

"Easy to install. Has a nice, deep, throaty,gutsy sound. Not too loud, not too quiet. Exactly what I was looking for."

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About Paul D.
I use my vehicle for
travel, family activities, hauling and towing.
Showing 26 - 42 of 42 Customer Reviews
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