Had a little race on the Dyno with my dads GSXR1000K4.
I Have Acro exhausts, Evo Air Kit, PCIII and a custom map.
He has Fuel end can, K&N, PCIII and a custom map.
The result:
Not only does the GSXR have 20bhp more it also has more power at 80% throttle than I do at 100%. I always knew...