All Things Mk5 > Performance Modifications

Advice on modifications

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mackit:
Is it right to say that fitting a hiflow sports cat and large bore downpipe in addition to the cat back system is redundant if no remap is done?  So in essence would you obtain higher power figures by doing this but without any remap?

Janner_Sy:
TBH, if it were me, i wouldn't fit a performance downpipe and CAT without having a Remap to ensure fueling is correct and that the car is running sweet etc.  Some people, me included got engine check lights after fitting the downpipe before getting the car mapped, however there are others who never got the light at all.

id say you would get gains from fitting the downpipe whilst retaining  the standard map, but they wouldn't be anything to shout about, just what the ECU can try and adapt to. 

from what you have said in post#1 id say not to other with the DP in your case just yet, as your not on some crazy HP hunt.  Id say you should be able to hit 280+Hp on JKMs rollers with the chosen mods already, and that is a mighty powerful car, and id be looking into the ARBs, and god pads instead for the minute. 

then at a later date you could order a downpipe, get it fitted at any local garage you want (mine charges £35 to change downpipes) and you then get superchips to send you the stage 2 map(£50) to your handset and install it there and then.

theo:
Another  :happy2: for JKM from here. I have been speaking to Kate over the last few weeks sorting out my rapid slide down the slippery slope. Placed my order today. Service has been fantastic and the prices are very competitive.

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