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  1. General Challenger Discussion
    I purchased a 2010 R/T with 69k miles on it almost 2 weeks ago. I'm wanting to put magna packs and x pipe on it, but I'm worried the resonators won't be enough back pressure with the straight flow mufflers. Any advice would be appreciated. I don't want to lose hp.
  2. Dodge Challenger SE/SXT Specific
    I'm getting Flowmaster Super 44's installed on my 2014 v6 challenger this weekend. I also kind of want to get a resonator delete as well however I have heard this can be problematic in California. Will I pass my smog in California if I have the resonators removed (I'm not touching the Cat...