Working on a new prototype downpipe / test pipe option...
#13
![Default](https://www.audiworld.com/forums/images/icons/icon1.gif)
Stage 1+ set up and exhaust, so this seems like it would be a great upgrade for me here. You are not throwing a CEL are you? \
Also, isn't APR planning some sort of DP with HF cat for their Stage 3+???
Also, isn't APR planning some sort of DP with HF cat for their Stage 3+???
Thread
Thread Starter
Forum
Replies
Last Post
carl viking
A8 / S8 (D3 Platform) Discussion
40
07-12-2024 02:45 PM
Fixeroh
Audi A3 / S3 / RS 3 MKII
8
09-09-2015 02:37 PM
stormchaser1967
Audi A5 / S5 / RS5 Coupe & Cabrio (B8)
0
09-02-2015 09:02 AM