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Gibson 3in Cat-Back Single Exhaust | GMC R2500 Suburban (87-89) (615590)

Gibson 3in Cat-Back Single Exhaust | GMC R2500 Suburban (87-89) (615590)

SKU:615590

Out of stock

Regular price $590.69 USD
Regular price $1,335.36 USD Sale price $590.69 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Gibson 87-89 GMC R2500 Suburban 5.7L 3-inch Cat-Back Single Exhaust is a high-performance exhaust system designed to enhance vehicle power and efficiency. Constructed from durable stainless steel, this exhaust system features a single side exit behind the rear tire, offering improved acceleration, hill climbing, towing, and passing power. It is engineered to deliver maximum torque and horsepower gains at low RPMs (1800 to 3000 RPM), with dyno tests showing an average increase of 10-15 horsepower and 15-20 lb-ft of torque. The system provides a professional appearance and quieter operation within the cabin compared to other performance exhausts, making it suitable for enthusiasts seeking both performance and comfort. Its hassle-free, bolt-on installation requires no welding, ensuring a straightforward upgrade process.

Designed specifically for 1987-1989 GMC Suburban models equipped with a 5.7L engine, this exhaust system is a direct replacement that fits seamlessly with the factory setup. It is ideal for street use, offering enhanced sound and performance without sacrificing daily drivability. The kit includes all necessary components for a complete installation, providing a clean, professional look. This system is best suited for those looking to improve their vehicle’s power output and exhaust sound, whether for daily driving, towing, or performance upgrades. Compatibility is optimized for models with the specified engine, ensuring a perfect fit and reliable performance.

Overview

Gibson Exhaust Systems

Fits 1987–1989 GMC R2500 Suburban with 5.7L Engine

Part #: 615590

Overview

The Gibson 87-89 GMC R2500 Suburban 5.7L 3-inch Cat-Back Single Exhaust is designed to enhance your vehicle’s performance and sound profile. Crafted from durable stainless steel, this exhaust system offers a perfect combination of strength, corrosion resistance, and a sleek appearance. It is ideal for truck owners seeking improved acceleration, towing capacity, and hill-climbing ability, all while maintaining a quieter cabin environment compared to other performance exhausts. This system is engineered to support your vehicle’s power delivery at low RPMs, making it a practical upgrade for daily driving, towing, and off-road adventures.

Key Features

This exhaust system features several key design elements that optimize your vehicle’s performance and durability:

  • Constructed from high-quality stainless steel for longevity and corrosion resistance
  • 3-inch diameter piping to improve exhaust flow and reduce backpressure
  • Single side exit behind the rear tire for a clean, aggressive look
  • Dyno-tested to maximize torque and horsepower gains at low RPMs (1800–3000 RPM)
  • Hassle-free bolt-on installation with no welding required
  • Designed to produce a deeper, more refined exhaust note without excessive noise
  • Enhanced acceleration and towing capabilities for demanding driving conditions

Construction & Design

This Gibson exhaust system is meticulously engineered with precision-welded stainless steel components, ensuring durability and a professional finish. The design emphasizes optimal exhaust flow, reducing restrictions and supporting your vehicle’s power output. The exit behind the rear tire provides a balanced aesthetic and functional performance, contributing to a more aggressive stance while maintaining a quieter interior environment.

Driving Feel & Feedback

The system helps improve low-end torque and throttle response, making acceleration more responsive and towing easier. The deeper exhaust tone enhances the driving experience without creating excessive noise inside the cab, providing a satisfying balance of performance and comfort.

Installation & Fitment

This bolt-on exhaust system is designed for straightforward installation, requiring no welding or complex modifications. It fits 1987-1989 GMC R2500 Suburban models with a 5.7L engine, offering a professional-looking upgrade with minimal effort.
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