Can I fit a hi flow cat down pipe and/or an up pipe to my MY03 WRX PPP, or would it be problematic?

 

Greggyg

The 03's dont have a cat in the up pipe do they? so would not see a need for one there. You wont have any probs with putting a high flow downpipe in (the only difference being you wont get a CEL coming on as the CAT is still in place)....I think

 

I have one - still got a Cel but I now have a ecu tec and its fine - try TSL looks to good to hide away under the car - be carefull as you will also need a classic sized centre section to fit this downpipe as it is longer than the STD

for a cheaper option powerstation do one much cheaper but I think you have to buy the full system ( this is on the Subaru T25) think power engineering do a good one aswell

I hear that the Graham goode one is problematic but can't remeber why

 

I have the powerstation one on a PPP on an MY01... No problems at all... except for occasional CEL still!!!! but I use my SECS to reset ;-)