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C900 Performance, Mods & Tuning Covers Tuning & Performance modifications for the Classic 900 (C900)

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Old 11th July 2002
jim_mcghee's Avatar
jim_mcghee jim_mcghee is offline
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if I replace the first box with a straight pipe, will this allow the enginge to breath better?
Boosting performance, or will the back box, cancel it out?

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  #2  
Old 12th July 2002
Janne Selinummi Janne Selinummi is offline
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Replacing the front silencer with a straight pipe will improve breathing, but only a little. For noticeablr improvement, you should also opt for a rear silencer that's a straight-through design.
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Old 15th July 2002
Johann F Johann F is offline
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On a NA car you will loose power! - it's not as simple as removing restrictions as on a turbo car.
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Old 15th July 2002
Janne Selinummi Janne Selinummi is offline
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Right! I didn't notice you had a non-turbo car! In that case exhaust modifications aren't worthwhile, unless you buy a complete performance exhaust system that's designed for the non-turbo c900. That way you get better flow with still enough back-pressure to allow torque remain the same.
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