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Timing of mods relative to break in

584 Views 1 Reply 2 Participants Last post by  OldDrummer55
At what point are people waiting to mod- especially tunes- and then performing dyno runs to assess their gains?

Thx in advance
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I'm waiting to get through my break-in period, then I'll get a handheld, CAI, pulley, and maybe the exhaust from W4M...
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