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  1. 9

    High Flow Cats vs. No Cats

    If you are going to replace a stock H-Pipe, I'd go with the Mac pro-chamber. I know what your thinking "It's Mac". I wouldn't normally put a Mac product on my car, That's just my preference. It loses the cats but the HP gain is great for $200. Mac claims a 25HP gain <<"Yeah right!" it's...
  2. 9

    New here! and suggestions on what to do to my Stang?

    I got my 99 Mustang GT Conv. about 5 months ago and I've been adding a few bolt ons. Me and my father-in-law do all the work to my car. His garage is a second home to me and it's about 2x the size of my home. How are you all doing? I'm debating on what to do next to my Mustang next. I...