Ausrotor cruise - DEC 08

Ausrotor cruise. Super loud RX-3 coupe with variable rear muffler. 13B-PP engine with Weber & race Exhaust on-the-street. With "Atmo" rotaries, noise is proportional to power so noise regulation issues are cleared up with an electrically operated butterfly valve rear muffler.

More Videos...


Mazda Rx7 13b PP Race Car
http://www.youtube.com/watch?v=B34CUFEamJ0 for no music





RX-7 SA22C 13B Peripheral port, EX. Pipes
Exhaust center Pipes Change 50mm Dual tubes → 60mm single tubes 中間パイプを50φ(サイレンサー有)デュアルから60φス レート シングルへ変更





Subaru STI X-Force Varex butterfly valve muffler
/!\ this is on a friends car, not mine. I can't answer any raised questions. sorry! /!\ A Subaru WRX STI with the X-Force Varex Sports muffler, a Look over how it works and a quick demo of the sounds, It's not broken in yet.





12a peripheral port datsun 1600 skids [GUZLN]
12a peripheral port skidding it up mean, rotary, burnouts,12a, 10a, 13b, 20b, turbo




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