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Featuring a single, perforated core larger than standard, straight-through mufflers, this muffler boosts engine performance on racing vehicles. An external sound dampener reduces exhaust noise to accommodate decibel-level regulations at racetracks.

Essentially a direct-fit cat-back system with less mandrel-bent tubing, this kit improves engine performance and durability by boosting horsepower and torque, all at a lower price. The straight-through muffler allows the exhaust to flow more freely.

Featuring a single, perforated core larger than standard, straight-through mufflers, this muffler boosts engine performance on racing vehicles. An external sound dampener reduces exhaust noise to accommodate decibel-level regulations at racetracks.