Yes, they are 2 1/2 inch quad tips. Yeah, I love it. It's exactly what I wanted. A lot of fun, practical, drive-able improvements. Puts a smile on my face (and those of my passengers). Kudos to Dean and the team at MMS.

Sound is amazing. It's not overly noisy but sonorous. I can easily have a conversation inside the car. The exhaust note makes me turn off my stereo for the right reason. Not because the loudness renders it useless, but because I don't want to hear anything else.

Different people have different desires and opinions. I'm happy with my choice.

Cabin sound.
Flam MY11 WRX MMS TBE Cabin - YouTube

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MY11 WRX Sedan in SWP
Ecutek Remap
MMS 3" TBE
Enkei Raijin
KW V1