wrxmanxman

hi.after fitting ninja100celldownpipe from scoobyworld and racebox backbox i now have malfunction light lit up on dash of my 04 wrx,my mechanic m8 has checked it but its the 1st time hes saw this ,he says its 2 do with the sensors in the cat with the gasses now flowing faster,has any1 had experience of this,theres still anotha 2 sections 2 replace 2 complete exhaust system will this help?my m8 has now got indicator warning light of but doesnt know will it appear again.thanks 4 your help

bluenose172

iTrader: (2)

It's a CAT efficiency CEL. It will likely come on again, you should be remapping your car soon, that will get rid of the warning.

wrxmanxman

i believe now this is a common fault and needs remap but doesnt affect engfine runnin,.thankyou

Wilky_Boy

Thinking of fitting the same pipe myself. How hard / easy was it ? Did you do it yourself at home, or in a garage with some proper ramps ? Cheers mate !