hi all ,
i have a 2004 st tdci with 84000 on the clock ive got a few mod done to the car eibach lowering springs,k&n induction kit,egr bypass valve,decat pipe and a custom remap my next step is an exhaust system which its booked in for next week at dp exhausts they say theyve been developing a system for this car and theyve done three so far and says theyve had great results its a 3"down pipe and flexy pipe replacing the decat i currently have on but it will be going into my 2.5 middle pipe then what ever tail pipe i choose which i thought was ok as he explained to me that diesel pipes dont rot like petrols ?
my mate reckons that its going to be resticted going from 3"to 2.5" could i get some advice please
thankis