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de cat
how much louder does it make the car. i have the janspeed cat back atm and wondered what extra noise it would make
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Astra GSi turbo
Regal Autosport Astra GSI Turbo 304 bhp 356 lb/ft
Thorney motorsport Vectra vxr 305bhp 398lbft
Now its time to build a big turbo MG ZS
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