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- USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
For Your Every Summer RSVP, with Code: SUMMER15
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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4.2 ★★★★★
Based on 2003 reviews
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Product Reviews
★★★★★ 5
Winnie Loves Them!
Size: Medium (Pack of 3), Color: Orange, Green & Yellow, Pattern Name: Dog
My Winnie is an aggressive chewer and she loves these bones. They're indestructible and they must be delicious because she works on them every day. I was a bit concerned when they were out of stock for a few months. Please don't discontinue them!
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Reviewed in the United States on April 28, 2026
★★★★★ 4
Not bad for the price
Size: Medium (Pack of 3), Color: Orange, Green & Yellow, Pattern Name: Dog
Good for chewing but my little dog had trouble with the brown food coming off in bigger than should be chunks
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Dog chews nylon bones
Size: Large (Pack of 3), Color: Varies, Pattern Name: clean tuff
My French bulldogs love 💕 these unfortunately small pieces come off and get caught in their throats the fore I will not purchase any in the future thank you
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Weird to humans, amazing to dogs!
Size: Large (Pack of 3), Color: Orange, Green & Yellow, Pattern Name: Dog
I find these expensive and weird, and yet I'm not the one chewing them and both of my dogs disagree. They feel they are amazing and tasty! They love to chew on these, and chew, and chew. Who am I to argue?
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Reviewed in the United States on April 24, 2026
★★★★★ 3
Defective cracked
Size: Large (Pack of 3), Color: Orange, Green & Yellow, Pattern Name: Dog
The stuff inside was cracked. It took my dog a few minutes to get it out.
I bought these from other stores in person and didn't have any problem. It must be from shipping and handling.
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Reviewed in the United States on May 21, 2026