it'll be a very noticable difference since the front cats are only warm up cats and quite tiny..although an o/r pipe would be easier. me thinks your parents will just rip into you for cutting your OE midpipe up just to go over them....btw do you have an emissions county?
have you considered instead of an o/r pipe look into a hi flow midpipe...you'd keep your parents happy, and still get a sound boost. remember you're 16 and your life with your car can be made easier or harder.
EBay has hi flo cats for $50 piece. Buy off road pipe used $100. 2 cats for $100, so $200 for catted pipe.
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