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SLP's stainless steel Catalyst-Back PowerFlow Exhaust system for the 5.7L and 6.1L SRT-8 Challenger provides up to a 10 horsepower gain with a deep muscle car rumble and no interior cabin resonance. More...
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SLP's stainless steel Catalyst-Back Loud Mouth Exhaust System for the 3.5L Challenger provides up to a 10 horsepower gain with a deep muscle car rumble. More...
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