shansilva Posted May 23, 2020 Share Posted May 23, 2020 Hello guys, I'm having thoughts to upgrade stock exhaust system to dual exhaust system on my swift rs. what I want to know is do I need to update the vehicle book after that? Quote Link to comment Share on other sites More sharing options...
Devinda_Z Posted May 23, 2020 Share Posted May 23, 2020 That's an interesting question Theoretically you can get modifications/changes (wheel size, colour etc) changed by informing the RMV along with a inspection at their technical division followed up specified payments The exhaust though also raises the issue of noise pollution and the specified decibel level (105db for horns?) so is it the kind of modification the RMV can/will sign off on at all?? Quote Link to comment Share on other sites More sharing options...
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