APS high flow
1 - 2 of 2 Posts
I was told by the dealer that they are mod friendly except when you start playing with the boost. I didnt ask them about ECU upgrades but that might be another thing that causes a problem.
Glen
Glen
1 - 2 of 2 Posts
- This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Join the discussion
IW STi Forum
A forum community dedicated to Subaru Impreza and STI owners and enthusiasts. Come join the discussion about performance, engine builds, exhaust, modifications, troubleshooting, maintenance, and more!
Full Forum Listing
Recommended Communities
Join now to ask and comment!