Originally Posted by TeamImola

What problems?? i have the milltek down pipes and cat back. i have had no issues and the car runs hard. I also have revo tune specificaly for my set up. works perfect! i just got the sp plus, i have a 100 octane tune, program in there and want to see if i get a significant increase over the 91. going to switch to 100 this weekend. unfortunately i only have access to a BUT dyno.

so is the only way to see if you have this build up to take off the manifold?
is there a cleaner that can be ran through the motor to cleas it out? i.e. full aditive

Originally Posted by titsataki

I used methanol injection on my STi and it was pretty much like running race fuel. Ι always thought a direct Methanol injection had also the effect for "washing" any deposits off the cylinders/valves. But if stuff is baked on I am not sure this is applicable.

Do you have a custom tune for 100 oct race gas?
Is there a list of tuners that can custom map the RS4?

Cheers

Nick

Originally Posted by pippyrips

Btw although slightly off topic.... I once saw a great thread on here with a pictorial step by step guide on how to remove the amber indicator piece from the front headlights....does anyone have the link as I can't find it??!!

Thanks