Pypes Performance Exhaust SGF13R 3-Inch Header-Back Exhaust System for 1970-74 GM F-Body and X-Body

Upgrade your classic GM application with the Pypes Performance Exhaust SGF13R header-back exhaust system. Designed for 1970-74 GM F-Body and X-Body vehicles, this complete kit delivers a performance-focused exhaust solution with a 3-inch system diameter and Race Pro mufflers. The crossmember-back configuration is engineered to support improved exhaust flow while maintaining a practical fit for compatible vehicles.
Constructed from stainless steel, the SGF13R system provides durability and corrosion resistance for long-term use. Stainless construction helps the exhaust withstand exposure to road conditions, heat, and moisture, making it well suited for both street-driven classics and performance-oriented builds. The included Race Pro mufflers provide an aggressive performance sound while complementing the system’s high-flow design.
This Pypes Performance Exhaust kit is supplied as a header-back system for a streamlined installation behind compatible headers. Vehicle fitment and header compatibility should be verified before ordering, particularly for modified vehicles or applications with aftermarket suspension, drivetrain, or exhaust components. The kit is intended for GM F-Body and X-Body models from the specified model years and is designed around the 1970-81 F-Body crossmember-back configuration with an X-system layout.
Backed by Pypes Performance Exhaust engineering, the SGF13R offers a durable stainless-steel construction, performance mufflers, and a vehicle-specific layout in one complete exhaust upgrade. It is a practical choice for enthusiasts seeking improved exhaust flow, a purposeful exhaust note, and dependable fitment for a classic GM project.

Features:

• Application: Designed for compatible 1970-74 GM F-Body and X-Body vehicles

• System Design: Complete header-back exhaust system with crossmember-back X-system configuration

• Tube Diameter: 3-inch exhaust system diameter supports improved exhaust flow

• Mufflers: Includes Race Pro mufflers for an aggressive performance sound

• Material: Stainless-steel construction provides durability and corrosion resistance

• Kit Contents: Supplied as a complete exhaust system kit for compatible applications