I4 straight pipe and downpipe. Sound while driving.

[Gcc91]

With new air filter too

 

[Mattbrissy]

That sounds super loud! Awesome stuff! Does the cabin sound get too overbearing? I find in my 4c with sports exhaust it can be a little tiring with how loud it can get in the cabin.

 

[TurboTambo]

With new air filter too

What system is this? With downpipe as well????

 

[Gcc91]

What system is this? With downpipe as well????

Just built it myself. Nothing available was worth the money.