Sure Style

180 Muffler 3.5" In 3.5" Out - Perris Auto Speedway Legal


Rectangular Case Size: 14" x 10" x 5" 3.5" inlet x 3.5" outlet USAC 410 sprint Cars - Required at, Perris Auto Speedway, Ventura Raceway and Santa Morria Speedway. These mufflers have been dyno test to develope the most horsepower and torch. The leading Sprint Car Teams recommend Extreme Technologies. Cory Kurseman Tony Jones - Alexander brothers Mike Spencer - team name Rip Willams - John Joy Motorsports ? Crew Chiefs: Steve Watt Bruce Broome

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