The anti-reversion muffler is designed to catch the reversion pulse from the cam with a large overlap. These mufflers build torque off idle to wide open throttle. Increases as much as 60 ft lbs of torque from 2,000 to 5,000 RPM have been seen. This product enhances re start capabilities & bottom end torque on crate and open engines. (12" in length) 3.500" PLEASE NOTE: PRICE IS PER MUFFLER, FOR A SET PLEASE SELECT QTY 2.
WILLY’S GM CRATE MOTOR ANTI-REVERSION MUFFLERS-3.50"
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