picked straight from CTRO forum for anyone interested
" At last after a long long wait XO are proud to be the first to fit the all new HKS exhaust system for the Civic Type R FN2.
Dyno proven results are
STD 170.5 bhp ATW
AEM Short Ram and HKS Exhaust 178.6bhp ATW
Torque is also up by 25.7
Dyno graphs will follow shortly.
price has just been released officially today at £595+vat (not bad at all). General release is not for another couple of weeks, so pre-book to avoid dissapointment.
http://www.xopowertuning.co.uk " Terry