I Replaced the one under the drivers side seat. Still got a loss of power and a p0420 code. Car is makes a whineing sound like it wants to go. ?

I've had my. 2000 Zx3 Focus I've been running in the TX region SCCA rally series for several years, but it's become a PITA to get performance parts...

OG thread http://forums.vwvortex.com/showthread.php?4177789-brainstorming-a-supercharger-system. page 31

It's that time of year again, weather is turning nice, birds are chirping, days are getting longer, and most importantly, time to start having fun...

This thread is long overdue. We all know that the MKV forum is flooded with dimwits :P Today I installed my BFI torque arm insert and stg 1...

so im up in the air of what exhaust to get. I have an 09 2.5 Jetta with a magnaflow on it right now, but im not a fan of it any more so thats why im...

Hi,finally got me an 08 Rabbit.Not my first VW by the way...been in the VW car seen since the early 80's with a 71 Super Beetle,,71 Porsche...

We are new vendors on here and just wanted to introduce us as well as clue you all in on our kit. Myself, Jesse, and Lee make up JDL. We have lot of...

So, lets keep all Sowo stuff here. i'll share as much info as possible to be able to more appropiately coordinate cruises (ToD), meet ups, etc. ...

In their pictures and everything the main muffler/resonator is a round body one.. And the one I got is a very small, oval sided like muffler.. Is...

Hi, In a little bit of a bind. I'm out at SOWO 2013 and blew my vacuum pump. I have an IE block off plate coming Now I need to find a source for...

I can't decide between BSH Engine/Trans mount vs BFI's. I don't want MUCH added vibration, just better feel and performance and more power to the...

Hey guys, I made a build thread about a year ago, but since this forum jives most with my interests/car adventures, here you go. This is a build at...

Hey guys just wanted to poll and see what is out there non mod wise to help put the pep back in the step of my 2.5L, recently last 5K miles or so she...

http://www.uspmotorsports.com/images/usp_logo_1.jpg USP Motorsports Presents – The Incredible SO-WOAH! Sale ...

Ok, so I thought that with the introduction of more than 1 turbo product for the 2.5 community, we could start a forum for all 2.5 Turbo owners. ...

<IMG SRC="http://www.fourtitude.com/gallery/albums//Audi/TT-TT%20Roadster/TT%20RS%20(a5)/Technical/066.jpg" BORDER="0"><br><IMG...

Hi guys, So recently I've noticed a rumble at low rpms (1200 - 1600) when driving. I'm a fairly light footed driver so gear changes happen early...

The MkV Forum is saturated with GTI/GLI picture threads, so I wanted to start a thread in here to see everyone's 2.5l Golf/Jettas. I'm sure everyone...

http://blackforestindustries.com/Vortex_MK5_Motormounts.jpg We are proud to offer performance motor mounts for all 2.5L applications. Our poly...

For some reason my Rpms are spiking to 1500 and dropping back down to around 650. Then it repeats. When driving it seams fine. Just when I push the...

ECS doesn't work for 08, so wondering if anyone else does. Can't find it anywhere

After about 1 1/2 year my project comes to an end. The engine has run already, I only have to do some finishing work: make the front, put the...

Some folks have seen this car around the net. I have owned it since 2004 when it had a MC2 10v engine on CIS. Around 2008 for the UrQ-25 event I...

I'm looking at purchasing a USP test-pipe in the near future, and won't be going with the high-flow cat option, since cat-less exhausts aren't...

Anyone have 200,000 miles on a 2.5 yet? So far I've put 100,000 miles on two cars 1st on was a 2007 Rabbit 2.5 Manual 2nd one I'm currently...

I've only seen one post with photos about a water pump replacement. It shows jacking the motor so that the pump clears the frame rail Is this...

If I want to just change the guides & tensioner (not chains) on the upper chain area, can I just remove the cover and not the head, which is required...

This is going to be a very (very) slow build log for my new project. I plan on retrofitting the 2.5 motor in to my r32 shell, and push it over 1000...

Guys, Just converted to driving the 2.5L rabbit as a DD since Jan 13. I purchased it new in 2006, wife DD it for 6 years (mostly in traffic)....