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SKU: 140082 | UPC: 808422400824
1986-1991 Chevrolet Corvette C4 Cat-Back™ Exhaust System S-Type Part #140082
The Borla S-Type Cat-Back Exhaust System (140082) fits 1986-1991 Chevrolet Corvette C4 models with 5.7L V8 engines and automatic or manual transmissions in coupe or convertible body styles (except ZR-1). This T-304 stainless steel system bolts directly in place of the stock exhaust, reducing weight by 20 lbs while delivering 41% greater flow for added horsepower, torque, and fuel economy. Enjoy the signature Borla growl from dual straight-through mufflers and polished rectangular tips.
Key Features
- Material: T-304 Austenitic stainless steel withstands corrosion and heat for long-term performance.
- Construction: All-welded design ensures leak-free seals and precise fitment as a direct OEM replacement.
- Flow Performance: 41% increase over stock exhaust improves throttle response, power, and efficiency.
- Muffler Design: Dual 10x5-inch straight-through S-Type mufflers produce deep, aggressive Borla sound on split rear exits.
- Piping & Tips: 3-inch inlet to 2.5-inch Y-pipe outlets with polished T-304 rectangular rolled-edge angle-cut tips (6.6-inch diameter).
Product Notes
- Direct bolt-on after catalytic converter; no cutting, welding, or modifications needed.
- Fits rear-wheel-drive models only; compatible with stock or aftermarket cats.
- Oversized packaging required due to 20-lb weight savings over stock system.
Installation Notes
- Professional installation recommended.
- Bolt-on system uses factory hangers and includes all necessary hardware.
- Works with automatic or manual transmissions; 2-4 hours typical install time.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1991 | Chevrolet | Corvette | Base |
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
Why Choose Borla?
- Pioneer in stainless steel exhaust since 1978 for street and racing applications.
- Race-proven design from C5-R LeMans wins and Bondurant Corvette programs.
- Million-mile limited lifetime warranty covers defects in materials and workmanship.
Frequently Asked Questions
-
Q: Does this fit 1990-1991 Corvette ZR-1 models?
A: No, part 140082 fits only 5.7L V8 non-ZR-1 models; ZR-1 requires different LT5-compatible system. -
Q: What tubing sizes and materials are used?
A: 3-inch front pipe splits to dual 2.5-inch pipes in T-304 stainless steel with 2.5-inch tailpipe outlets. -
Q: What warranty applies to Borla 140082?
A: Million-mile limited lifetime warranty when installed and maintained per Borla guidelines.
Shipping & Handling
- Method: UPS Ground (oversized package)
- Availability: In stock - ships same or next business day
- Packaging: Single box, 52" L x 14" W x 14" H
- Weight: 38 lbs
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