GolfGTIforum.co.uk
Model specific boards => Golf mk4 => Topic started by: Chris gtiturbo on 23 December 2013, 10:46
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Hi all new to this first post !! Well I have a mk4 golf gti turbo (arz) with a turbo back exhaust system + cat, and air filter and 340lph fuel pump on at the moment and soon to fitted ko3s turbo n front mount intercooler, I'm also after getting a 3" maf housing,4 bar fuel regulator, 440cc injectors, stainless steel manifold then finally get it remapped what bhp would I be ruffly running at with all this??? Also brakes n clutch will be uprated too!!! Thanks Chris!!
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You should see 240+ but I would strongly recommend you change your boost pipes, and do a n249 bypass
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Not sounding stupid or owt but wats a n249 bypass???
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Found it lol
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personally i wouldnt bother with the 4bar fuel regulator. etc. not needed untill you get over 250 bhp.
mate of mine had one in his ibiza cupra, made the car over fuel so much that it now has 3.5 pistons and is being broken...
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Was hoping what I were putting on would get me to that bhp (250/260) but not sure how much the k03s can be pushed?
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The KO3s limit is about 240bhp, R-Tech can push them to 250-260bhp but you need WMI, ported exhaust manifold etc. etc.
For 240bhp don't bother with injectors/MAF/4bar FPR. Add to your list a Forge 007p/008p or new stock diverter valve, a decent set of boost hoses and a decent TIP (not a cheap eBay one).
What size intercooler pipework will you be running? What size downpipe? I'd also ditch the cat or make sure it's at least a decent sports cat.
You also need a decent air intake setup.
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Just stock cat thought about putting straight pipe in too, n intercooler piping is 2.5" n iv got a 3"turbo down pipe, iv got kn panel filter which I'm gunna swap for a decent cone filter set up!
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Just stock cat thought about putting straight pipe in too, n intercooler piping is 2.5" n iv got a 3"turbo down pipe, iv got kn panel filter which I'm gunna swap for a decent cone filter set up!
It's pointless running the stock cat after a 3" downpipe, it's way too restrictive. You'll also struggle joining them, 2.25" - 3" is a massive jump.
R-tech sell their own intake setup for just over £100, but a lot of people on here including myself are running a Honda S2000 cone filter.
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Just had exhaust done about 2 weeks ago from powerflow they insisted I kept my cat in!!! New I should have told them to take it out!! Have to go back n get them to do me a decat pipe! N y the honda air filter??
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You'll struggle to see any half decent power with the standard cat in. S2000 filter because they're relatively cheap and they're massive.
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Ok thanks for all info really appreciate it!!!!! :smiley: merry xmas :smiley: :smiley:
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Just for reference, here is my S2000 filter:
(http://i790.photobucket.com/albums/yy183/codling1234/DSC_0190_zps13a31db1.jpg) (http://s790.photobucket.com/user/codling1234/media/DSC_0190_zps13a31db1.jpg.html)
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Ok cheers noticed ur from sheff I'm from sheff too u may see my golf knocking around its a black golf with merc amg wheels on with a bonnet extension!! if u see it that's me lol