Borla is testing their new Z exhaust.

[71zman]

Borla is testing a Z switchfire exhaust. I’m hoping this is the one for my Proto!

 

[Heavy Dupree]

I like their choice of exhaust tips

Back section looks very similar to the NISMO Z RZ34 Cat-Back Track Exhaust.

 

[trackratZ]

Haven't read their reasonings, but any adv/disadv to the crossover vs u-bend? Why not just straight back to the mufflers, bec of the small resonators?

 

[Heavy Dupree]

Good explanation of Borla's ASMR exhaust.