Trevor Phillips Posted September 2, 2002 Share Posted September 2, 2002 Does anyone have any experience of adding one of the Demon Tweaks "Sound Barrier" exhaust boxes to their system? We need to reduce our decibels by 3 to pass the SVA re-test and were looking for a short add-on box as a temporary measure. Link to comment Share on other sites More sharing options...
John Howe Posted September 2, 2002 Share Posted September 2, 2002 Trevor, if you want to borrow my Techcraft one in the short term, just shout! Better still phone - 01444 892127 JH Link to comment Share on other sites More sharing options...
Trevor Phillips Posted September 2, 2002 Author Share Posted September 2, 2002 John, Just shooting out. Thanks for your kind offer. I'll call you tomorrow. Trevor Link to comment Share on other sites More sharing options...
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