I did the samething as SilverRam i cut the cat out and ran 3 inch pipe but when i put the cherry bomb extreme on it did nothing. It still sounded like straight pipe. i heard the video of his and it sounded really good mine is just loud and sounds like crap. so i guess imma have to find another muffler

 

why dont you try putting your cat back in... and see then.

 

i dont feel like welding it back in i got a dif muffler

 

my extreme sounds awesome with the cat on what are you looking for ???? the extreme is a single chamber muffer its going to be loud lol