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2019 Speed Twin
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Discussion Starter · #1 ·
I have a 2007 S3 and I'm sorry if this has been covered before, but do I need to have the ECU remapped for this muffler ? I did a search but could not find much. I bought the bike with a TOR exhaust already on it and it seems to run a little rich ( but good). I am assuming when you change to a TOR from stock the ECU must be remapped. Will that remapping suffice for the low slip on Chain Reaction muffler or should I consider having the map from the low Arrow system loaded. Thanks for any help or suggestions ! :unsure
 

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I have a 2007 S3 and I'm sorry if this has been covered before, but do I need to have the ECU remapped for this muffler ? I did a search but could not find much. I bought the bike with a TOR exhaust already on it and it seems to run a little rich ( but good). I am assuming when you change to a TOR from stock the ECU must be remapped. Will that remapping suffice for the low slip on Chain Reaction muffler or should I consider having the map from the low Arrow system loaded. Thanks for any help or suggestions ! :unsure
The TOR map was built around the dual high mount exhaust setup. With a 3-1 exhaust, you need to get it remapped for optimal performance. I happen to be running a custom map that was created on a dyno. My mods are identical to the bike that was used. The mf runs so damn good, it's unreal. Best mod I've done to this bike. No question about it.

 
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