2017-19 Perf. Exhaust Kit 4-Bolt Style 4"/Alum. (Duramax L5P)

Upgrade your 2017-19 GM/Chevy Duramax L5P with the Sixty-Six 4" 4-Bolt Performance Exhaust Kit. Crafted with high-quality aluminized steel, this exhaust kit is designed to withstand the test of time while delivering unparalleled performance. The 4" diameter ensures optimal exhaust flow, reducing backpressure and enhancing the overall efficiency of your engine. Whether you're looking to improve your vehicle's horsepower, torque, or simply want a more aggressive exhaust note, this kit has got you covered.

• Tailored for 2017-19 GM/Chevy Duramax L5P models.
• 4" diameter for enhanced exhaust flow and reduced backpressure.
• 4-Bolt design ensures a secure and leak-free connection.
• Made from durable aluminized steel for long-lasting performance.
• Boosts horsepower, torque, and provides a deeper exhaust tone.
• Direct fit ensures hassle-free installation.