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slp loudmouth 2

  1. Intake & Exhaust
    I own a 2009 6.1 SRT8 with a 6-speed manual gearbox, I've been in the market for exhaust systems for a while now, and I'm about to pull the trigger on the Zoomers. At a Cars and Coffee earlier today, some fellow Challenger owners gave me a listen to their exhaust notes, one guy had a manual R/T...
  2. Intake & Exhaust
    SLP LM2 on my Mustang Cobra Cobra had no cats, hence why its louder at idle. SLP LM1 on my Challenger Has stock mid pipe/cats and stock headers.