Hi all just got my self a 300 tdi as a off road toy my last land rover was a p38 4.6 with Mark adams chip and ht leads so what I am after is there any way of getting more power out of the tdi is it worth de cat sports exhaust air filter can you up the boost any and can you adjust the pump without putting a performance intercoolers on also it has non standard modular wheels with insa turbo Dakar tyres fitted what is the best pressure to run these at cheers for all your help