Originally Posted By lord-richfield
Originally Posted By AndyR
Sounds interesting......

Any idea on numbers gained?


Nick at Williams suggested '20 + 20' on power and torque which feels about right.

I have rolling road power / torque curves from when the car was a year or so old, tempted to repeat for a 'before and after' comparison.


Sounds worth while then. Having said that you have exhaust mods so may be it wouldn't be so good on a standard car. Definitely something to think about thinking

Andy

2011, 4/4, 2.0, 75th Anniversary
2016, VW Polo GTI
2012, BMW 520d Touring