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SpinTech Super Pro Street 9441 Muffler$134.99
SpinTech High Performance 9000 Street Muffler The Super Pro Street 9000 is the most AGGRESSIVE muffler from SpinTech for sound and competition! Super Pro Streets have a smaller case size: 4" x 6" x 9" and fits most newer vehicles on the street today. Recommended for use on newer ...SpinTech High Performance 9000 Street Muffler The Super Pro Street 9000 is the most AGGRESSIVE muffler from SpinTech for sound and competition! Super Pro Streets have a smaller case size: 4" x 6" x 9" and fits most newer vehicles on the street today. Recommended for use on newer vehicles with multiple CATs or none at all.
Super Pro Street 9000s have found their way into racing events with winning results!