Just bought a second-hand Milltek for my V8 S4 (B6) and the insides of the tailpipes are a little corroded.
I know some exhausts will have a coating inside and I didn't want to risk scrubbing it off.
Can anyone recommend the best course of action?
Here's the nearside pipe (the offside is just the same):
I know some exhausts will have a coating inside and I didn't want to risk scrubbing it off.
Can anyone recommend the best course of action?
Here's the nearside pipe (the offside is just the same):