bypass

Hi all. Just wondering if bypassing the N249 will change the sound of the DV at all? 007 in this case running stage 1.

I'm a newbie, please be nice :) What does it do? thanks

Hi all, Had a recent boosting problem that I have narrowed down to be the N249 valve. I've currenly by passed it and the problem has gone. Will i get away with retaining the by-pass ? Or do i need to replace the n249? Cheers Lee

Hi all, first off, are the cupra leon turbo's high pressure or low pressure? Next question, what is an n249 bypass? Is the mod something to do with the original recirc dump valve? sorry to sound so dumb guys. I'm used to jap stuff and not heard of any of this n249 stuff before. Cheers in...

What is the intended use fot the N249 and is it really worth doing the by-pass. I'm not convinced this is a good idea, I tried this mod but only for a quick run somewhere and back and if anything I had less boost and a bit of waste gate chatter. Is the N249 not there for a reason? What are the...

just done n249 bpass, have i done it right?:bleh:

hey all just joined i see the guide for the n249 bypass just wondering what differece it makes once done thanks

Hello all After reading many posts about people doing an N249 bypass i thought i'd give it a go yesterday. all went smoothly but is there any chance that doing this will actually slow my car down? I'm not sure if its just me but it feels slightly less powerful than it did with the N249? I...

Hey all, I did the n249 bypass and didnt really notice much difference. i av a revo remap and forge recirc valve and did the bypass but then thought i'd do a temp boost gauge fitting, when gauge fitted the car ran amazin with amazin power and then when gauge not on its back down 2 normal and...

I have seen these are on special offer at Awesome GTI but does anyone run one and how loud is it as i currently have a Scorpion cat back and its quite loud. So i dont want it to be insanely loud everyone puts there fingers in their ears when i drive past

Ladies and Gentlemen, I did the below quick guide to bypassing the N249 value, there may be other ways but i think this is the easiest, i created this guide for vagdrivers.net but as there are still requests on here so i decided to post it over here too.. I already posted my graphs showing...

Hello all, just looking for your comments, i did a log this morning and noticed my Boost was fluctuating up and down at around 19 to 20 psi, i did two logs one before the n249 nypass and one after, the run after seems to have a more smooth boost curve. Comments are welcome, i plotted the...

after doing a search on doing the N249 bypass all i can find is photos of a Leon cupra r or an Ibiza 1.8t although it may be roughly the same it's dropped my confidence in doing mine as i'm not very mechanicaly minded although small things i can achieve. my car is the 180bhp Leon sport with an...

After reading the threads on this and how to guides I wasn't too sure on how to do it. But once I decided to go for it I found it really easy to do. There is nothing hard about doing it at all just sounds like it. Once done i noticed a slight change in the car nothing major but thats with hardly...

Hi, I've done the N249 bypass but i want to take the valve out completely. I understand that the valve needs to be plugged in so that the ECU doesn't throw a hissy fit. What resistor can i put in place of the N249? Thanks Rich

Just wondered if anyone fancied doing these to my ibiza?? if so how much would you charge me? thanks. peter

hey folks! im running a mk1 leon 20vt, got a slight running problem, in neeed of advise..... i've changed afm n75 valve, heard of n249 valve by pass, can anyone give me step by step instructions on how to carry this out! and feed back if it cures the fault. :confused: looking forward to...

Alright guys, just wondering whats all this N249 bypass and SAI removal all about? Im currently running a standard 1.8T cupra appart from an air filter, what are theses mods used for and if i do it to mine will i notice any difference? Cheers

Very sorry for asking just need to no im 100% right before i do this tomorow when i do the bypass all the hoses lined in green can be removed and go in the bin i just need to keep the n249 connected at the plug is this right.? I havent got the resistors yet to remove it all so im just going...

:rifle: Now please don't shoot me down for asking this, I have searched and read first couple of pages of this thread http://www.seatcupra.net/forums/showthread.php?t=150144&highlight=N249&page=2 Anyway, what size vacuum hose do I need? I have a feeling its 4 or 5mm. I found 3mm on eBay, but...