The PPE 4-Inch Performance Exhaust Upgrade is crafted from high-quality 304 stainless steel to deliver superior exhaust flow, reduce backpressure, and enhance overall engine performance. This 4-inch system is designed to increase horsepower and torque, making it an ideal upgrade for heavy-duty and high-performance applications.

Key Features:

• Optimized 4-Inch Diameter:
  Increases exhaust flow, reduces backpressure, and supports enhanced power and efficiency for demanding applications.

• 304 Stainless Steel Construction:
  Built from corrosion-resistant stainless steel for exceptional durability and longevity, even in extreme conditions.

• Improved Exhaust Tone:
  Provides a deeper, more aggressive exhaust sound, giving your vehicle a performance-oriented tone.

• Direct Fit Replacement:
  Designed for easy installation as an upgrade over the factory exhaust system, with compatibility for OEM mounting points.

Technical Specifications:

• Material:
  High-grade 304 stainless steel for maximum durability and resistance to rust and corrosion.

• Diameter:
  4 inches, optimized to improve exhaust flow and boost engine performance.

• Compatibility:
  Suitable for heavy-duty and performance applications, providing both power gains and a refined exhaust note.

• Function:
  Reduces backpressure, enhances exhaust flow, and supports improved horsepower and torque.

Installation Notes:
The PPE 4-Inch Performance Exhaust Upgrade installs as a direct replacement for the factory exhaust system, offering a simple and effective upgrade. Perfect for vehicle owners seeking to improve exhaust efficiency, enhance power, and achieve a bolder exhaust sound.

Installation Guide

2007-2019 GM 6.6L Duramax 304 Stainless Steel Four Inch Performance Exhaust Upgrade

Compatible Vehicles