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Borla 84-91 Chevrolet Corvette C4 5.7L V8 D SQ AC IC Rear Section 2.5 inch Converter-Borla-BOR11376
Borla 84-91 Chevrolet Corvette C4 5.7L V8 D SQ AC IC Rear Section 2.5 inch Converter-Borla-BOR11376
Borla 84-91 Chevrolet Corvette C4 5.7L V8 D SQ AC IC Rear Section 2.5 inch Converter-Borla-BOR11376
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Borla 84-91 Chevrolet Corvette C4 5.7L V8 D SQ AC IC Rear Section 2.5 inch Converter

Borla
BOR11376
808422113762
Axle Back
6 Units In Stock - Ships Next Business Day
$ 1,819.99 $ 1,624.99
FREE Ground Shipping!
$ 1,624.99

SKU: 11376   |   UPC: 808422113762

Borla 1984-1991 Chevrolet Corvette C4 5.7L V8 S-Type Axle-Back Exhaust System

The Borla 11376 S-Type Axle-Back Exhaust System fits 1984-1991 Chevrolet Corvette C4 models with 5.7L V8 engines, automatic or manual transmissions, coupe or convertible body styles. This system upgrades the factory 2.25-inch exhaust to a 2.5-inch setup for increased exhaust flow, delivering gains in horsepower, torque, fuel efficiency, and the signature Borla sound. Polished T-304 stainless steel construction ensures durability and a motorsport look.

Key Features

  • T-304 Stainless Steel Build: Premium austenitic material resists corrosion and withstands high heat for long-lasting performance on street or track.
  • Straight-Through Muffler Design: Patented multi-core technology improves exhaust velocity, unlocking hidden power and providing an aggressive yet refined exhaust note.
  • 2.5-Inch Tubing Diameter: Mandrel-bent for smooth flow from 2.5-inch inlet to outlet, dual split rear exit with 3.8-inch polished tips.
  • All-Welded Construction: Precision CNC manufacturing guarantees exact fitment and structural integrity under demanding conditions.
  • Dual Split Rear Exit: Adds aggressive styling with polished T-304 stainless tips that enhance the Corvette's rear profile.

Product Notes

  • Requires Y-pipe assembly for full conversion: #60001 for 1984-1985 models or #60002 for 1986-1991 models.
  • Direct bolt-on axle-back design replaces mufflers and tailpipes after the rear axle.
  • Product weight: 28 lbs; ships in a single box measuring 42 x 14 x 14 inches.

Installation Notes

  • Professional installation recommended.
  • Bolt-on installation using factory hangers; no cutting or welding needed for axle-back section.
  • Verify Y-pipe compatibility based on model year before install; torque all clamps to spec.

This Part Fits

Year Make Model Submodel
1984-1991 Chevrolet Corvette Base
1988 Chevrolet Corvette 35th Anniversary Edition
1986 Chevrolet Corvette Indianapolis 500 Pace Car
1990-1991 Chevrolet Corvette ZR-1

Why Choose Borla?

  • Over 40 years as the exhaust leader for performance vehicles, from classics to modern racers.
  • Million-Mile Warranty backs every system for unmatched reliability.
  • Patented straight-through technology proven on winning race cars worldwide.

Frequently Asked Questions

  • Q: Will this fit my 1987 Corvette with automatic transmission?
    A: Yes, the Borla 11376 fits all 1984-1991 Corvette C4 5.7L V8 models, automatic or manual, coupe or convertible; add the correct Y-pipe for complete setup.
  • Q: What material are the tips made from?
    A: Polished T-304 stainless steel tips measure 3.8 inches in diameter, providing a mirror finish that resists pitting and discoloration.
  • Q: Does it come with a warranty?
    A: Backed by Borla's Million-Mile Warranty, covering defects in materials and workmanship for the original owner.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Original Borla box, 42 x 14 x 14 inches
  • Weight: 28 lbs

Request For Information

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