Delbert Posted September 6, 2017 Share Posted September 6, 2017 http://www.demon-tweeks.co.uk/decibel-slayer-car-preparation-2As above - used once at Goodwood 5 db drop in noise no noticeable drop in powerdoes what it says on the tin £45 inc postage Link to comment Share on other sites More sharing options...
Superwhite R283 Posted September 6, 2017 Share Posted September 6, 2017 First dibs, email sent Link to comment Share on other sites More sharing options...
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