The Dynomax 89004 is an exhaust system for 1973-1989 Chevrolet K10 Suburban, K20 Suburban, V10 Suburban, V20 Suburban, GMC K15/K1500 Pickup, K25/K2500 Pickup, K35/K3500 Pickup, K1500, K2500, K3500, V3500, K15, K25, K35, V1500, V2500 equipped with the 5.7L, 6.2L, 6.6L engine options. It is engineered to restore proper exhaust flow and provide a direct-fit installation.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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Why Choose the Dynomax 89004:

• Design and custom fabricate your own exhaust system with this kit that attaches to OE headers.
• Special reducer design allows for a variety of mounting options.
• Smooth bends improve flow capacity over traditional bends.
• Extra-long tailpipes with side exits with a full 2.25-in. diameter; tail pipes exit each side of vehicle behind rear tires.
• Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes.
• Made from quality aluminized steel for durability and long life.
• Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system.
• Not legal for use on pollution-controlled motor vehicles; headers are for racing use only and not intended or applicable for highway use.