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catalytic converters

  1. Intake & Exhaust
    So I've been on the search for quite a while now looking for some Catless mid pipes that bolt directly to my factory exhaust on my 18 Challenger R/T. I can't find any that are specific for the 5.7 hemi, only the 392. I've seen videos of ones done but no part # provided. The only ones I've found...
  2. General Challenger Discussion
    Hi, I have a 2015 Challenger RT Scat Pack (392 hemi). Are there high flow performance Catalytic converters for this? or does this car already have high flow performance Catalytic converters ? I know it comes stock with shorty headers. Thanks James.
  3. Performance Modifications
    I have a 2014 Challenger RT, 5.7 HEMI. I've added the Mopar cold air intake, and for the exhaust, cat-bak, Flow master 40. I'm using the stock exhaust, simply replaced the mufflers with flow master 40's and removed the resonators at the end, replacing with just straight pipes. I also have the...