Fi Exhaust Porsche 997 Turbo Idle / Acceleration Sound db Test.

Porsche 997 Twin Turbo
Frequency Intelligent Exhaust System with Valved Technology.
Idle / Acceleration Sound db Test.

Engine Start : 88.9db
Valve Close Idle: 75.8db
Valve Close Max: 103.9db
Valve Open Idle: 84.5db
Valve Open Max: 125.2db
Valve Open Drive By: 119.99db

Porsche 997 Twin Turbo 可變音頻閥門排氣管
待速 / 加速 聲音分貝測試.

引擎啟動 : 88.9db
閥門關 待速: 75.8db
閥門關 最高: 103.9db
閥門開 待速: 84.5db
閥門開 最高: 125.2db
閥門開 行車經過: 119.99db

———————————————

World No.1 Twin Sound / Performance Exhaust.

Video Fitted with FI Complete Exhaust System including:
Valvetronic system
Header
Ultra High Flow Catless Cat Pipe
Valvetronic Muffler + Quad Tips

Exhaust come with valve as standard including our intelligent ECU system which control valve by engine RPM or remote control.

Fi Exhaust provide best performance system with unique twin sound system.

Available NOW!

Please visit http://www.fi-exhaust.com/product/porsche/997_turbo.html for more product information.

Смотреть в источнике