full exhaust system

Hey guys I just ordered a Delkevic exhaust model number COM0147 for a 2016 Ninja 650. I was just wondering what everyone's experience is running this without a tune? Manufacturer claims a tune is not required just as long as no engine modification (IE, Intake) has been made to the bike. Anyone...

I have a 2014 ninja 650 abs and am just trying to figure out if a full exhaust system is worth it. My main purpose would be for a better sound. Not too concerned with the performance aspect seeing how it would likely require a different air intake system or power commander, which is just more...

I have a Yoshimura Rs-4 exhaust system that I purchased for my 2014 Ninja 650. I no longer own the bike as it was bought back from Kawasaki as a lemon. I put roughly 700 miles on it before I removed it to return the bike to Kawasaki. It has one minor scuff on the Yoshi badge which you can see...

I recently purchased the 2015 ninja 650. Having trouble locating modifications for it because I assume its a new model. But I need to get rid of the rear fender. It ruins the whole bike in my opinion. Also will be looking to upgrade exhaust system. Pros and cons of slip on vs full system. Also...