Вот кстати инфо о звуке выхлопа:
Forester XT Stock System:
58.0 dBA at 750 RPM
62.0 dBA at 900 RPM
65.0 dBA at 1,250 RPM
68.0 dBA at 2,000 RPM
68.0 dBA at 3,000 RPM
Forester XT w/ Cobb Tuning 3" SS Cat-Back exhaust:
72.0 dBA at 750 RPM
74.5 dBA at 900 RPM
79.5 dBA at 1,250 RPM
81.0 dBA at 2,000 RPM
83.4 dBA at 3,000 RPM
Forester XT w/ Cobb Tuning Uppipe, downpipe (w/hi-flo cat) and catback.
74.6 dBA at 750 RPM
76 dBA at 900 RPM
78 dBA at 1,250 RPM
85 dBA at 2,000 RPM
88 dBA at 3,000 RPM
Получается что тише чем HKS Silent Hi-Power.



