Cheap mods that won't effect certified warrenty?
 

Looking for cheap mods that won't effect my certified and factory warrenty.

Was think tints but I have an ez pass on my windshield.

Maybe a exaust/catback but a little expensive.

It's about time for this thread to make a resurgence.

https://www.myg37.com/forums/g37-sed...-mod-page.html

You're welcome.