MK5 Golf GTI

All Things Mk5 => Mk5 General Area => Topic started by: gazzab91 on October 09, 2014, 07:53:24 pm

Title: Cat back vs standard??
Post by: gazzab91 on October 09, 2014, 07:53:24 pm

Is there much of a difference between the standard cat back system and that of a milteck system etc?

I know theyre both the same diameter so was wondering if there is any form of restriction or back pressure that could hold the car back.

Plus that the fact Eddies run same intercooler and exhaust as mk 5 gti and they map comfortably to 300 stage 1 I'm wondering whether or not to stick with my stock as its in really good condition only recently bought a new oem recently

Cheers

Title: Re: Cat back vs standard??
Post by: xjay1337 on October 09, 2014, 07:54:22 pm

Most cat backs would be a 3 inch rather than a 2.5 which is stock I believe

Title: Re: Cat back vs standard??
Post by: gazzab91 on October 09, 2014, 07:56:30 pm

ah okay if i picked up a new catback system would it eliminate the section of my decat downpipe where it goes from 3" to 2.5" or would there be a little bit of butchering to get it all to fit properly?

Title: Re: Cat back vs standard??
Post by: xjay1337 on October 09, 2014, 08:10:51 pm

Depends on your decat or not...some come with the center section...some don't..

Title: Re: Cat back vs standard??
Post by: Pikey Motorsports on October 09, 2014, 08:11:30 pm

Milltek is 2.75 also i belive a liitle bigger then stock

Title: Re: Cat back vs standard??
Post by: 56OctyVRS on October 09, 2014, 11:11:39 pm

You wont gain any power from fitting just a cat back so if aren't after noise I'd stick with the std.