MaxPerformanceSE

iTrader: (2)

I plan to get a Cattman Y-pipe but I don't know whether if I should go with the works(i.e. intake, hi-flow cat, and catback). Is it okay to go with only the Y-pipe or do I get the full benefit if I get the other mods to go along with it?

Jeff92se

iTrader: (82)

Y pipe alone is okay for the exhaust mods but I do highly recommend getting the CAI or cone filter at the same time as the Y. I had the Y and the K&N panel filter. Car sort of struggled at take off. With the cone added, it now has very smooth power all the way from start to WOT.

voltman

iTrader: (1)

"struggled" as in the Y-pipe is worse than stock performance if you don't have an intake?

Jeff92se

iTrader: (82)

No not at all. The performanc gains were there w/ just the Y, but it was obvious that the stock airbox was the limiting factor now. You could try the modified stock airboxes that everyone is doing now.

BrianV

iTrader: (9)

Yeah u can do anything, but you won't see the gains unless you get an intake. An exhaust will yield even more gains.