Do I need to get my bike dynoed after installing Competition Werkes GP Slip-On?

AryanWinters

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I'm just curious if it is an absolute must to get my bike dynoed after installing this new exhaust?

I have a dyno shop only 15 minutes away from me so it's easier for me to get done but I've seen it is quite pricey considering I just dropped $600 for the slip on plus I'll need to either get an ECU flash or buy a power commander on top of that.

So essentially:
- How bad is it to go without a dyno?
- If I get the dyno done which is best ECU or Power Commander?

I want this bike to last I have a 2016 KTM RC 390 and I've never had any issue with it for the 3 years I've had it so I want to make sure that whatever i get done it whats best for the bike.

I don;t have a ton of knowledge when it comes to dyno related stuff so any info would be appreciated.
 
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