hey guys,

Ive got a 2005 ba mk 2 xr6 na ive got the exhaust system, and also got a big mouth from ss inductions to open up the intake of the motor, Ive heard that these under drive kits are popular just wanted to hear from you guys that have experienced them, weather u believe its a must have or a maybe, if so can you just let me know what kit i should get, or if u have a better option for some more power more my xr please let me know just please bare in mind that i am still on my p plates, Im still unsure on cams for now.

Thanks Nick