Gruppe m noise limit track day

[s.mac]

I understand Bedford is the strictest on noise.

I would think the sports cats do make a difference on bhp over 400 cell cats, but they also add to a raised db, gruppe m exhaust are known to be border line track friendly..

[cslsuperfan]

Originally Posted by s.mac

I understand Bedford is the strictest on noise.

I would think the sports cats do make a difference on bhp over 400 cell cats, but they also add to a raised db, gruppe m exhaust are known to be border line track friendly..

Savage sound with the gruppem.......no problem in Europe/ring!!!

[t-rucker]

So what rear exhaust can I swap it out with? I take it anything else is queiter ?
I'll have to px it out

I wonder what the costs are for a single exit pipe they are track friendly I've read

[s.mac]

Shane at MB tech, sponsors section, can do single exit for you. Or go back to OEM, there are normally a few other types on ebay that pass noise level tests. Its all down to want you want, look and sound etc

[s.mac]

do you know what cats you have on? I would look at changing them before the back box.

[t-rucker]

Not sure what brand ,just sport cats I don't even know what cell?

I have standard cats so I might just put them on .

Not done any tracks in this yet but the guy who owned it before did and said it was 97db last time he checked with standard cats.

Also another problem is

The seats in the car are focus rs seats with full cage in which I'm trying to sort this out , just trying some recaro profi spg's as mine seem to sit high in the car banging my head on the cage .

Thanks for the info s.mac

[Bounce]

Originally Posted by t-rucker

Not sure what brand ,just sport cats I don't even know what cell?

I have standard cats so I might just put them on .

Not done any tracks in this yet but the guy who owned it before did and said it was 97db last time he checked with standard cats.

Also another problem is

The seats in the car are focus rs seats with full cage in which I'm trying to sort this out , just trying some recaro profi spg's as mine seem to sit high in the car banging my head on the cage .

Thanks for the info s.mac

Dont think Steve has the same problem banging his head.