Author Topic: 2024+ Stelvio ecu flash/de-cat/exhaust upgrade upgrade  (Read 1027 times)

Offline dave1068

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2024+ Stelvio ecu flash/de-cat/exhaust upgrade upgrade
« on: June 05, 2026, 07:23:32 AM »
I know the V100 Stelvio is still relatively new and as  a long time Guzzi owner, they are great bikes. I do notice on highway rides the acceleration and pull could be better, has anyone here gone the route of re-flashing the ECU, removing the cat and adding a more open exhaust and if so, have you noticed any real change?

Also, if you did, who did it and how much was the cost to do the above?

Thanks

Dave
-2024 Moto Guzzi Stelvio
-2025 Honda Transalp

Offline Clifton

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Re: 2024+ Stelvio ecu flash/de-cat/exhaust upgrade upgrade
« Reply #1 on: June 05, 2026, 09:03:00 AM »
.... I do notice on highway rides the acceleration and pull could be better....

I sure never noticed that on my Stelvio. And the throttle was spot on, smooth not abrupt like many are nowadays so it'd be hard to convince me to fool with it.
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Offline guzzisteve

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Re: 2024+ Stelvio ecu flash/de-cat/exhaust upgrade upgrade
« Reply #2 on: June 05, 2026, 11:29:17 AM »
You might try Upmap.    Over on GT site a guy put those bigger Ago head pipes on his & plugs showed leaner mixture.
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