100 cell & 200 cell cats

[Dude]

Had my mot today and passed no problems with my 100 cat.

Cool, think this will be my next mod

 

[yazmidani]

I passed my MOT with a 3inch Downpipe with no cat....

Where'd you manage that then bud??
I'm kinda close to you and am in the dilemma of cat or no cat??

 

[YIN]

Realistically i'm sure it's a minimal gain to go decat anyway. I chose to save myself the potential agro and just opted for the 100 cell race cat.

This was Hurdy finding on his ED30 with Decat it convinced me

Taken fro mk5golfgti forum

The car has just been on Noble's dyno and last time out made 378.6bhp and 353.6lbft before the decat

This time out the car made 383.1 bhp and 358.1lbft

So an increase of a whopping* * .....4.5bhp and 4.5lbft

Doesn't seem like a lot for the work done, but the "devil is in the detail" as they say.

Torque is over 340lbft all the way from 2950rpm to 5750rpm

Before torque was over 340lbft at 3400rpm to 5100rpm

Power now hits 200bhp at 2850rpm and before power was 110bhp at the same rpm

The only downside is that I need to revise the fuelling setting as there is now a dip at 5750rpm, recovering at 6250rpm.

Here's the decat v's catted dyno plots

Hope that helps