anyone have cobb downpipe?

[18psiWhiteMS3]

anyone have the cobb downpipe??? can u hear the turbo spool when u have a cat or do u need to be catless to hear the turbo spool through the exhaust. who makes a better downpipe, cobb or turbo xs. much diff in power between catted and not?

[18psiWhiteMS3]

bump

[intak3_bLkMs3]

cobb will be much better quality then txs. people are having fitment problems with the txs. the high flow cat will loose u about 5whp but in my opinion is worth it as far as sound i think you should be able to hear the turbo pretty well

[18psiWhiteMS3]

and how much hp gain are we looking at with the cobb Downpipe

[intak3_bLkMs3]

around 20whp probably