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Hell of a deal! Are these the same cats that people have been having issues with? I.E. the cats disintigrating from heat?
I'm only asking because I'd love to upgrade, BUT I don't want my cats disintigrating due to heat.
Also, how much louder would this be vs stock headers with a corsa 2.5" catback? Would my neighbors hate me at 7:30 in the morning?
Also what is the difference between map and promo map?
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