scoobybuk

Ive got an 03 sti ppp. Got a full blitz nur spec exaust. Put a decat in it a few months ago should it be remapped or is it ok to run like that?

Black-Hawk

iTrader: (4)

If its runing ok then its ok, but get it mapped to get the most out of the new bits

scoobyman223

iTrader: (7)

Hi mate i would get it re-mapped by someone like simon aka jolly green monster as your PPP map wont be getting the best out of your de-cat and full blitz system ,simon did mine couple of weeks ago not much different then yours and i was running as rich as hell he worked his magic now have more power and better fuel economy.
get it re-mapped mate you wont regret it

Black-Hawk

iTrader: (4)

And if you want a recomendation on a mapper its Andy Forrest all the way

TonyBurns

iTrader: (3)

OK, first of all why the hell did you remove the sports cat? it flows as much as a decat pipe to start with without the issues that decatting an STi causes, you may have gained all of 1bhp for doing so and be 150 quid out of pocket
Secondly, wave good bye to your engine, depending on how long and how hard you have run your STI since decatting it, this isnt a scare thing, this is what happens, it causes boost spikes which in turn cause det, which in turn cause damage to the pistons etc, at the end of it all, 150 quid could end up costing you about 3k for an engine rebuild.
Put the sports cat back on and get the car remapped sooner rather than later (and PPP kits dont like being messed with too much, an exhaust is as about as far as you want to change on one without a remap).

Tony

S3TH

iTrader: (2)

Agree 100% with Tony, boost spikes galore, at least get a boost controller on there.

I kept my prodrive sports cat when i fitted a TSL cat back system and had a remap. The mapper commented that he had not seen great differences when mapping sports cat and decat equipped cars in terms of power output.