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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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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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4.3 ★★★★★
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Product Reviews
★★★★★ 5
Super fluffy
Size: Full/Queen(90"x90"), Color: White
Super fluffy, great to snuggle with.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
It’s a great purchase
Size: Full/Queen(90"x90"), Color: White
I purchased this on a whim. I’m glad I did! It is the right weight and provides the warmth I crave at night. Most importantly it is quiet. My old down made a crinkly sound when moving which disturbed my sleep. This one thank God, does nothing of the sort.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Wonderful!
Size: Oversized King(120"x96"), Color: White
So far, so good. I am very comfortable and I’m even sleeping better! Murder sleep their throat
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Reviewed in the United States on April 30, 2026
★★★★★ 5
It feels like a gentle hug !
Size: King/Cal King(106"x90"), Color: White
This comforter is not too heavy and not too light, and yet it feels just like a gentle hug around your body which feels just right and perfect for a good night's rest. The color is white which is no problem because it's meant for a duvet cover and didn't have a smell at all which I was concerned about with reading other reviews. It is a perfect size for my bed which is king size and lays over just a bit on either side. If you like something that hangs over the bed more I would suggest buying the California King. It's a great value for the money, because you can't put a price tag on a good night's sleep. The only downfall to this comforter is that it feels so good that it's hard to get out of bed! When you purchase this it will be a bit flat because of packaging but once you get it on the bed it fluffs up after a few hours, you can also shake it out a bit if you want it filled out a bit better, I found it easier to put the duvet cover on it first and then gently shake it out over the bed.
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Fluffs great in 48 hours
Size: Full/Queen(90"x90"), Color: White
Great size for 15 inch mattress. Very well made. Soft comfy and not too warm
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Reviewed in the United States on January 24, 2026