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Hello

I am new to this Forum and have recently bought a new Kawasaki Z650 2017 Model in India. I used to train on 200 CC Sports bikes before so this was a pretty big jump for me. Anyways that is an off topic discussion, the reason I wanted to create this thread was to get expert suggestions and a piece of their mind about my decision to fit an IXIL Dual Hyperlow L3XB exhaust on my Bike.

I got it fitted at Kawasaki only because they said if I get it done elsewhere, they will void the warranty and the Bike has run 1100 Kms until now. After I got it fitted I met a fellow racer at the service center, he told me that since IXIL exhausts are pretty "RAW" in their sound and functioning that I should get my bike Dyno Tuned or I could risk messing up the engine in the first 10,000 Kms. Now I have never ever had a bike dyno tuned before but after some google results, I got what he meant. The Airflow increased but the fuel intake was similar to the previous config ( Stock Exhaust ).

Now this fellow racer recommended a famous dyno tuning shop ( Redline Racing Store ), they had pretty good reviews so I called them and they told me to bring the bike. When I reached their shop I met a young guy almost my age ( 19-21 ), and he just recommended that I should remove IXIL because First " They are cheaply made " and Second " They will kill the engine in the first 10,000 Kms and that it is inevitable "and he suggested Two Brothers as a replacement for my IXIL exhaust and a filter ( Waste of Money cause no one will take it now ).


Now these statements have panicked me for the last couple of days and since I am new to biking, I needed expert suggestions as to what I should do. Should I just go ahead and spend 1200$ more on the Two Brothers ? Or should I keep IXIL ( 800 $ ) and I will be fine ?

Imgur Link to Pics : https://imgur.com/a/v1KNf
 

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IXIL was going to be my first choice for the Z650, but due to late production release to the US, I went with the Yoshimura. As with any exhaust change, or increase in airflow, you need to have the bike tuned to prevent over lean conditions. Look into a fuel controller such as Rapid Bike, Bazaaz or even Power Commander. It will be much cheaper to keep what you have and get it tuned, than to swap exhausts, and still need a tune. IXIL makes pretty decent systems that are highly popular in the UK and Spain. But, they are straight up designed for unrestricted flow.
 
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