down pipe on a classic impreza

J

justingc8

Petrolheads
im thinking of puttin on down pipe on the scooby but not sure if it will need to be mapped for it, i know the sensor is on the cat but would ya get away with puttin them on anyway or what, let me know what yas think i should do
 
Plenty of UK turbo cars running full de-cat systems without re-maps.......
lad next door has been for past 5 years without mapping or any other problems.
 
Nearly certain Justins car is Jap import so i suppose a map would be needed! Better safe than sorry! :thumbsup:
 
I have a decat downpipe on my jap classic and so far so good. Had it dyno'd and was even told there isint much detonation. I am running octane booster and e5. I will be getting a remap as soon as i can though. But as i said it can be done
 
marks rite mine is a jap, was on to east coast there about remapping it, if it wasnt to dear id do the whole lot and get the bhp brought up
 
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