I have AR catted DPs on my 50i and absolutely love them. Exhaust note is much improved with a deeper growl on the stock exhaust. Gives it that fart noise during mid-high rpm upshifts. Along with my Burger tune, the power is drastically increased over stock. Ran a 12.98 @107 1/4 mile with these mods.
Just wanted to let you know my experience with AR DPs is a positive one.
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