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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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4.8 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 1
Would not buy again
My dog loves chew toys and was very excited when I opened the package. She played with it for about 10 minutes and now she wont touch it. It does seem very durable as she chewed on it and there was little damage.
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Reviewed in the United States on May 31, 2025
★★★★★ 3
Long lasting, not super appealing to my dogs.
Objective Data: I have two 50 pound dogs; a 10mos goldendoodle and a 7yo viszla. The puppy is a moderate chewer, the senior dog takes chewing in binges. He will occasionally get something and work it over for awhile and then not seek out anything to chew for a couple of days.
Initially these went over well, but neither of my dogs pursue these much after a few weeks. The puppy will occasionally bring one over to briefly chew laying at my feet.
Even with the initial, enthusiastic chewing of "new" toys these are still very intact!! These are going to last such a long time.
**CAUTION** if you have beige carpet I don't recommend these toys for your home. They blend in to the color of our carpet and I cannot tell you how many times I have rolled my ankle or stubbed my toe kicking one across a dim/dark room. I would rather walk barefoot through a minefield of legos.
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Reviewed in the United States on March 21, 2025
★★★★★ 5
odd shape but dogs are constantly chewing on it
seems to be an odd shape but my large dogs constantly chew on this. holds up to chewing well.
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Reviewed in the United States on October 17, 2025
★★★★★ 4
Keeps my dog busy
My dog has so much fun getting peanut butter out of this chew! It has small holes so it makes them put a little more effort than a typical chew. I would say it keeps them occupied for at least 15-20 minutes and they get pretty tired after. I think it's a good size for my medium dog. One thing i wish they did was making it with a silicone rather than nylon. It does get chewed off and I don't like the fact that they are ingesting them. All in all it's a great design to keep than busy.
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Reviewed in the United States on March 17, 2025
★★★★★ 5
Seriously durable
I have 3 XXL dogs (how convenient this comes in a three pack!). They will destroy many toys marked for aggressive chewers, but not these. Plus, they are good sized, leaving room for me to hold them while they are chewing when I elect to do that.
I don't really smell anything in the toy itself. Maybe the dogs do, but not enough to keep their interest more than a few minutes. However, when I smeared it with peanut butter, it was a whole new story. All 3 of them LOVED that and spent some time getting every last morsel of peanut butter out of the toy. In the meantime, because of the honeycomb texture, I feel they were getting a decent dose of tooth cleaning as well.
I wish the texture were a little deeper to fit more peanut butter, but I suppose it is probable that would make the surface texture less durable.
My dogs like them, so I do too!
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Reviewed in the United States on February 20, 2025