Gibson Cat-Back Exhaust System Single Stainless Steel Crew Cab 5.7L/7.4L Chevrolet/GMC C/K 2500/3500 1999-2000

With this Stainless Steel Single Cat-Back Exhaust System from Gibson, making the maximum torque even at the low-end in 1999-2000 Crew Cab Chevy and GMC C/Ks is a breeze (615521). Whether your truck is a 2500 or 3500 running on a 5.7L or 7.4L engine, this 3” mandrel-bent system is ready for it.  Built from stainless steel, its optimized tubing yields an added 15-20 lb/ft of torque at an average of 10-15 horsepower gains. Factor in its baffled, chambered muffler and you get overwhelming acceleration that builds into better hill climbing, towing, and passing power.

Features and Benefits:
- 3" stainless steel, mandrel-bent tubing
- Averages 10-15 horsepower gains
- 15-20 lb/ft of increased torque
- Bolsters acceleration, hill climbing, & passing power
- Baffled & chambered muffler
- Aggressive sound w/ minimal interior drone
- 3-1/2" polished, round, slash-cut tip
- Exits behind rear tire
- Includes hardware & factory-style hangers
- Bolt-on, weld-free installation

Thanks to the muffler, the system rewards your truck with a commanding, aggressive tone. At the same time, it dulls sound to a low drone inside the cab for your comfort. Adding to the style is a 3-1/2” tip, round and polished to perfection for a clean look. Hardware and factory-style hangers come with the system, simplifying installation and eliminating the need for welding. Once done, the tip is proudly displayed from its from behind the rear tire.

Vehicle Fitment:
- 1999-2000 Chevrolet/GMC C/K 2500
- 1999-2000 Chevrolet/GMC C/K 3500
- For Crew Cabs with a 5.7L or 7.4L engine ONLY