1986 Pontiac Grand Prix Exhaust System Kits

Give your vintage vehicle’s exhaust system an upgrade with a DynoMax® dual header kit. Designed to attach with OE headers, it features a special reducer that allows for a variety of mounting options.

Product Features:

• COMPATIBILITY — Designed for 1978-1987 midsize sedans such as Oldsmobile Cutlass, Chevrolet Monte Carlo, Buick Regal and Pontiac Grand Prix; see product information for compatibility and engine spec
• BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE headers
• FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
• IMPROVED FLOW CAPACITY — Smooth bends improve flow capacity over traditional bends
• SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tail pipes exit on each side of vehicle at rear bumper
• COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
• PREMIUM MATERIALS – Made from quality aluminized steel for durability and long life
• BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system
• WARNING — Not legal for use on pollution-controlled motor vehicles; headers are for racing use only and not intended or applicable for highway use

The MagnaFlow 2005-2008 Pontiac Grand Prix Street Series Cat-Back Performance Exhaust System brings out the personality of your 5.3L 2005-2008 Pontiac Grand Prix with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 3 Straight-Through mufflers ending in a Quad Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Pontiac Grand Prix exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Pontiac Grand Prix’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16726 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16726 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:

• Dyno-proven performance
• Durable corrosion-resistant stainless steel construction
• CNC precision robotic manufacturing techniques

DynoMax® Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglas

Product Features:

• Large internal flow tubes improve exhaust flow and reduce backpressure
• Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
• Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
• Dyno proven to flow up to 700 SCFM