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Find Cat-Back Exhaust for your Corvette
S-Type Cat-Back Exhaust with Polished Tips (86-91 5.7L Corvette C4)Find parts that fit my vehicle
Item EK-25-155192-1
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$1,035.99
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Product Information
Features, Description, Q&A
Features
- Adds Aggressive Sound Without Drone & Boosts Horsepower
- Single 3" Into Dual 2.5" S-Type Exhaust System Upgrade
- 100% Aircraft Quality T-304 Stainless Steel Construction With TIG Welds
- Patented Straight-Through And Multi-Core Technology To Unleash Hidden Horsepower
- NOTE: Getting Tips To Align Properly May Require Adjustment By Exhaust Specialist
Description
EXCEPT ZR1. BORLA® Performance Industries Cat-Back™ 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 6.69" x 3" 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® 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® race programs, it was no accident that this BORLA® 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®, the most winning exhaust in racing.
WARNING:This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go to www.P65Warnings.ca.gov
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 6.69" x 3" 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® 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® race programs, it was no accident that this BORLA® 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®, the most winning exhaust in racing.
WARNING:This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go to www.P65Warnings.ca.gov
Fitment:
- 1986 Chevrolet Corvette
- 1987 Chevrolet Corvette
- 1988 Chevrolet Corvette
- 1989 Chevrolet Corvette
- 1990 Chevrolet Corvette
- 1991 Chevrolet Corvette
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Questions & Answers
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Will It Fit My Corvette
- 35th Anniversary Edition - 88
- Base - 86, 87, 88, 89, 90, 91
- Indianapolis 500 Pace Car - 86
- ZR-1 - 90, 91
