Gibson 619675 Cat-Back Single Exhaust — 1987-1996 Ford Bronco 5.0L / 5.8L V8 — 3in 409 Stainless

The Gibson 619675 is a cat-back single exhaust system for the 1987–1996 Ford Bronco 5.0L and 5.8L V8. Built with 3-inch 409 stainless steel mandrel-bent tubing and Gibson's SuperFlow chambered muffler, part number 619675 exits behind the rear tire with a 3.5-inch polished T304 stainless slash-cut tip. Bolt-on installation, no welding required all factory-style hangers and hardware are included. Made in the USA and backed by Gibson's Lifetime Limited Warranty.

Gibson SuperFlow Muffler — Maximum Sound, Minimal Drone

The Gibson 619675 centers on Gibson's SuperFlow muffler a baffled and chambered 8-inch round unit (24-inch length, 3-inch offset inlet and outlet) with no internal packing, no fiberglass fill, and nothing to blow out over time. The result is an aggressive exhaust tone from the Bronco's V8 with minimum cabin resonance and highway drone. Dyno testing shows gains of 10–15 horsepower and 15–20 lb-ft of torque on the 5.0L and 5.8L, with the power band concentrated in the 1,800–3,000 RPM range exactly where a full-size Bronco needs it most for towing, off-road climbs, and passing.

3-Inch 409 Stainless Mandrel-Bent Tubing

Gibson 619675 steps up to 3-inch tubing larger than many competing cat-back systems and uses mandrel bending to maintain full 3-inch diameter through every curve with no crimping or cross-sectional restriction. The connection is a slip-fit to the factory converter outlet, and the 3.5-inch polished T304 stainless slash-cut clamp-on tip (12 inches long, 3-inch inlet) delivers a clean, aggressive finish behind the rear tire. Zinc-plated factory-style hangers use the original rubber grommets no drilling, no cutting on a stock Bronco.

Fitment — 1987–1996 Ford Bronco 5.0L & 5.8L

Does not fit: Ford Bronco with the 4.9L inline-6 (300 cubic inch) engine. The 619675 is engineered specifically for the 5.0L (302) and 5.8L (351) V8. The aluminized version of this system is Gibson part number 319675.

Technical Specifications

Key Features

• Made in the USA — designed, engineered, and built by Gibson Performance Exhaust.
• Dyno-tested gains: 10–15 horsepower and 15–20 lb-ft of torque on the 5.0L and 5.8L, concentrated in the 1,800–3,000 RPM power band.
• 3-inch 409 stainless mandrel-bent tubing: Larger-diameter piping compared to stock, maintaining full 3-inch flow through every bend.
• SuperFlow chambered muffler: Baffled and chambered design with no internal packing — aggressive V8 sound with minimal cabin drone.
• 3.5-inch T304 polished stainless slash-cut tip: 12-inch clamp-on tip, corrosion-resistant finish.
• Exit behind the rear tire: Stock exit location — clean fitment, no interference with tow trailer clearance.
• Slip-fit connection to converter: Uses the factory converter outlet — no flange hardware needed at the front connection.
• Lifetime Limited Warranty: Gibson stands behind 619675 for as long as you own the vehicle.

Installation

Gibson 619675 slips onto the factory converter outlet and routes back using factory hanger locations. All zinc-plated hangers and band clamps are included no welding, no cutting required on a stock vehicle. Factory rubber grommets stay in place. The system exits behind the rear tire. Installation time is approximately 1–2 hours with basic hand tools. Tip angle and position can be adjusted before final tightening.

Frequently Asked Questions

Does Gibson 619675 fit both the 5.0L and 5.8L Bronco?
Yes. Gibson 619675 is confirmed for the 1987–1996 Ford Bronco with either the 5.0L (302 cubic inch) V8 or the 5.8L (351 cubic inch) V8, all model years 1987 through 1996.

Does 619675 fit the 4.9L inline-6 Bronco?
No. The 619675 is engineered specifically for the 5.0L and 5.8L V8 applications. The 4.9L inline-6 (300 cubic inch) Bronco requires a different part number.

Does 619675 fit 2WD and 4WD Broncos?
Yes. Gibson's application list does not distinguish drivetrain 619675 fits both 2WD and 4WD configurations of the 1987–1996 Ford Bronco with the 5.0L or 5.8L V8.

What is the pipe diameter on the Gibson 619675?
The Gibson 619675 uses 3-inch 409 stainless mandrel-bent tubing throughout. The tip inlet is 3 inches, expanding to a 3.5-inch outlet on the 12-inch slash-cut stainless tip.

What does "cat-back" mean?
Cat-back means the system replaces everything from the outlet of the catalytic converter back to the exhaust tip. The catalytic converter itself remains in place. The 619675 does not modify or remove any emissions equipment.

How much horsepower does the Gibson 619675 add?
Gibson's dyno testing shows average gains of 10–15 horsepower and 15–20 lb-ft of torque on the Bronco's 5.0L and 5.8L V8. Power gains are concentrated in the 1,800–3,000 RPM range where towing, trail driving, and passing power matters most.

What is the difference between 619675 and 319675?
Both systems share the same fitment (1987–1996 Ford Bronco 5.0L/5.8L) and the same pipe routing and tip configuration. The 619675 uses 409 stainless steel tubing more corrosion-resistant and longer-lasting, especially in wet or salted road environments. The 319675 uses aluminized steel tubing and is a lower-cost alternative. Both are made in the USA with Gibson's Lifetime Limited Warranty.

Does the Gibson 619675 drone on the highway?
Gibson's SuperFlow muffler uses a baffled and chambered design with no internal packing, which minimizes low-frequency resonance at highway cruise RPM while still producing an aggressive V8 sound at throttle. Gibson claims lower in-cab noise than competing performance exhaust systems.

Does installing Gibson 619675 void my Bronco's factory warranty?
No. Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your vehicle's factory warranty simply because you installed an aftermarket cat-back exhaust. The 619675 does not modify or remove emissions equipment.

What warranty does Gibson offer on part number 619675?
Gibson covers the 619675 with a Lifetime Limited Warranty. Full terms are available at gibsonperformance.com.