Downpipe

Have a 3in catback but not sure if a cattless downpipe is worth it. does it make a diff?

 

catless didnt smell too bad on my car

 

im not really worried bout the smell just the power and sound

 

Depending on the car...the power and sound should be about the same.

 

i had the helix 3" catless but everything else pretty much stock and my car was perfect quiet haha. cant tell you about power as i dont have personal experience with a catted dp... supposedly on the dyno you see maybe 2-3 hp difference? (could be wrong).

 

catless usually does effect sound, catless - louder. and it will hold back on hp, as for how much? ask your tuner for real numbers/answers

 

Its worth about 10-15hp depending on the setup.

 

The set up isnt much. aem cold air intake,greddy uppipe,invidia 3in catback.

 

Gains are typically minimal without proper tuning. Especially when utilizing an aftermarket intake without tuning such as your current setup...

 

if its street car, go catted. Unless of course you live in a county that doesn't require you to get emissions. -.-

As far as making a difference, fuck it, go catless. lol

 

well im lucky to have a friend in the emissions field to over look a missing catt. i would be looking to get a tune after getting the down pipe.