If we open Duke 390 exhaust will it harm for the bike? - KTM 390 Duke (2017-2023)

Q. If we open Duke 390 exhaust will it harm for the bike?
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5 Answers

Steve | 4 years ago

No not at all only its bass increases a lot I have also removed the db killer it's sounds good from before

1 Reply

Deepak | 4 years ago

No bro its good for some begging because it supply good air flow but it drops your mileage

1 Reply

MayankPancholi | 4 years ago

Definately it will harm your bike and affect your bike's engine and performance.

3 Reply

Lakhyajit | 2 years ago

I have duke 390 bs6 and i get a mileage of around 28-31 kmpl without an exhaust . It doesn't effect your mileage but it increases your mileage

1 Reply

Rohan | 4 years ago

Yes it will harm

0 Reply

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