Hey guys im new to all this but just are quick one -

Can anyone gimme some info on these mods for a BA xr8

- Dephilipo flow through cats and exhaust
- John Bowe Suspension
- XR8 Vernier gears and performance cam
- Under drive pulley
- Herrods Motorsport stealth computer

Also how do we convert rear wheel kw to flywheel kw ?
Thanks Anthony