![]() It was a massive difference and really woke the engine up too. We can actually use both maps now and it completely solved the bogging issue we had. ![]() I can honestly say from firsthand experience, they're not bullshitting. Our bike was so bad we weren't going to be able to race the Winter Am's this coming weekend so i had to try something. So i figure i owe it to the WMR guys to chime in here - I actually took our bike to WMR last Friday to try their map. It sounded great, snappy, barked, but I had a non related engine issue that forced me to start at the stock set up to figure out what was going on and I haven't been able to get back to the dyno yet. So to get it to work a bit better, I advanced the idle a hair, but this does effect the TPS so I had to do a little dance with the red idle and TPS to make it idle correctly and feel snappy. What I think is happening is since the VF reeds are thicker, they require more draw/push to open at lower rpm and starting over the thinner stock reed petals which are easier to open. I don't think anything got messed up, it is a direct swap as far as the cage and gaskets is concerned, it only goes on one way. The pipe is post combustion and shouldn't have a huge effect on the lean/rich AFR, the pipe mostly just shifts the "hit" and some do add some HP here or there, but it is more of a tune change than anything else. The sensors on the bike do monitor AFR, air temp, etc, so technically, it self adjusts and the only way to make it lean or rich is to change your fuel/oil ratio and octane, which I do not recommend you do. The long systems do make more power than the shorty systems that seem to be a fad now-a-days.The stock ECU is locked so making any changes to the architecture of the mapping can't be done, for now :-) No clearance issues, everything fits perfectly, and tucks up completely out of the way. The system is very affordable, and the quality is impeccable. The difference in power with the full exhaust is more than substantial, not to mention the weight savings. I was worried, but now my fears are at rest. And with the optional baffle, no worry about it being too loud. I see why they are being used by the pro's. It doesn't matter what gear I'm in, this bike is doing over a hundred, and with the ECU unrestricted, the power up to 14000 rpm is so intense, that I just have to concentrate on being smooth. This bike is so fast for normal riding, that whatever minor loss in power created by the baffle is just not noticeable. Big plus for street riding, or for areas where excess sound can be a invitation for a ticket. I put in the optional baffle, and it sounds like any other normal full exhaust. Tuned it with the stock open exhaust, extremely loud, which may be a concern for many for the street, or for a track that has noise restriction. Really worked on midrange torque, and smooth power delivery throughout the power band. He spend 2 days fine tuning it, and we got it right on. ![]() The bike has been transformed into a beast. Lolįinally got the bike back from my dyno guy and got a chance to ride it. Don't be the guy who couldn't keep riding because the exhaust was too loud, cus then it won't matter how much power it makes if they won't let you ride. Some tracks have the noise limit, some don't. My old track I used to go to had a dB limit, and honestly I like my bike to be not loud, helps me focus on track if someone isn't able to shout in my ears through my ear plugs. Not sure what the go-to slip on cans for your exact bike are, but just stay away from 'shorty' pipes or other 'mufflers' that are hardly a piece of pipe, and it should be fine for street driving and track. ![]() Perfect volume on the TRS as well for me, loud when you get on it, and very quiet and peaceful when you're just cruising. Runs better in every way, and is now better for street and track. Had ECU flashed and dyno tuned for fueling, remove the fuel cut on decel, and she's a whole new bike again. Found a good shape stock header, and bought a Yoshi TRS can. My bike needed a whole exhaust, and I almost did the full system but didn't on this premise. ![]()
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