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Description
Borla 86-91 Corvette 5.7L 8cyl S-Type SS Catback ExhaustBorla(r) Performance Industries Cat Back(tm) system for the celebrated 1986 1991 C4 Corvette equipped with a 5. 7L V 8 engine has been engineered to work with either the popular manual transmission or the automatic. The premium, high quality, T 304 Austenitic stainless steel system is easy to bolt on, is a direct replacement for the much heavier (by some 20lbs.!) stock system. A 3" diameter front pipe is mounted just after the catalytic converter
Borla(r) Performance Industries Cat-Back(tm) system for the celebrated 1986-1991 C4 Corvette equipped with a 5.7L V-8 engine has been engineered to work with either the popular manual transmission or the automatic. The premium, high-quality, T-304 Austenitic stainless steel system is easy to bolt on, is a direct replacement for the much heavier (by some 20lbs.!) stock system. A 3" diameter front pipe is mounted just after the catalytic converter leading to a Y-pipe, which splits into two 2-1/2" pipes exiting on each side of the rear. The muffler and tip assemblies use a 10"x 5" diameter round muffler on each side of the vehicle, with polished T-304 stainless steel rectangular, rolled edge, angle cut tailpipe tip at each split rear exit. Tests have shown an exciting 41% increase in flow for dramatic improvement in power or fuel economy. That now famous, aggressive Borla(r) growl and sexy look proclaim this block may be small, but it means all business we guarantee it for a Million-Miles! With race-bred technology that has been transferred from the many successful Borla(r) race programs, it was no accident that this Borla(r) system has won several major Corvette exhaust shootouts. Included in this great and storied past are such famous efforts as the C5-R Race Team that has dominated LeMans along with the Bondurant Corvette program at the Bob Bondurant School of High Performance Driving. Only what you would expect from Borla(r), the most winning exhaust in racing.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1986-1991 | Chevrolet | Corvette | Base |
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1990-1991 | Chevrolet | Corvette | ZR-1 |
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4.5 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
It's tough!
This chew toy has held up well. Yes, the squeaker did succumb eventually. Yes, my dog was able to eventually chew pieces from it. However, it has lasted longer than any other chew toy we have purchased other than the Nylabone type. I even bought several for family members who have dogs.
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Reviewed in the United States on August 26, 2025
★★★★★ 4
A bit heavy, so mind the sizing. Good though.
My dog is a relentless chewing Jock. He's 11 lbs of Chi X and runs and chews until he's exhausted. I got the 6" for him and it's a bit heavy. He already unraveled and ate the string tape, so I braided and knotted it. He likes it when I can get him to chase it. I'd get a 4" if I were to do it again. It's a great well made product that really let's him get a good chew on.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Pup’s new favorite chew toy!
My son let one of my pups have a corn cob, which my dog enjoyed immensely. However, son got scolded as these can be very dangerous to dogs, and I disappointed my pup by taking it away. I went to Amazon to see if, by chance, a dog toy existed that was a corn cob. And there we found this- the new favorite of MANY chew toys for my medium size aggressive chewers. I bought two, one for each. They enjoyed “tug-a-war” due to the handy rope end. It squeaks. It’s strong and well made. It’s by far their favorite chew toy. I did store them in the fridge prior to giving them and pretended to eat them to make the pups think they were “real”. The package says they are dog toothbrushes, so a good benefit there as well. I’m sure we will be getting these regularly.
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Reviewed in the United States on June 2, 2025
★★★★★ 1
Quality
I have a 5 lbs puppy. Within 5 minutes of giving him this toy he had pieces of the rope chewed off and in his mouth. Needless to say,into the garbage it went. Disappointed
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Great Chew Toy for our 50 pound dog
Really great chew toy. Our 50 pound dog loves it. We play fetch with it. Very sturdy and easy to chew.
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Reviewed in the United States on March 1, 2026