Well as I won't be doing long motorway journeys in my K1 I reckon the non resonated is gonna get my vote.. What would be next on the essential mod list??
On the motorway its only booms on hard acceleration when cruising at 70ish it not that loud at all.
As for mods if you going for full exhaust and pump might as well go for a stage 2 map instead of a stage 1 to get the most out of you mods
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