SpinTech 9000 Super Pro Street Mufflers

4.88 out of 5 stars 33 Customer Reviews

SpinTech 9000 Super Pro Street mufflers have a patented design that converts sound energy into thunder! The 9000 mufflers are SpinTech's most aggressive for sound and competition. Super Pro Street mufflers feature a smaller case design and multiple configuration choices to fit most vehicles on the street today with great sound and maximum horsepower gains. Order the best fit for your vehicle application. Features: * 100 percent welded construction * Spin traps generate vortex flow effect * No packing to burn out * Scientifically calibrated Venturi scavenge gases for dramatic flow increase

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