I have a 2007 Gsxr 600. It has a Leo Vince shorty exhaust and I disabled the servo, so it's wide open. My question is will It pass safety as it is very loud or do I need to buy a stock pipe. Thanks
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Safety question
- Thread starter daisoman
- Start date
Safeties are just that, safety related items. I don't think having an overaly loud exhaust was noted on the the last saftey I had to do. If not, just throw a $40 DB dawg on it to keep it quiet. I too have the SET valve dis-abled and the baffle quieted down the exhaust quite nicely for Calabogie on my Yosh can.
RedDogDarren
Well-known member
You'll be fine. But why do you want to ride with less bottom end and midrange power?
For the same reason everyone that puts a slip-on onto their bikes. Looks and sound.
slowbird
Well-known member
Who cares about all that when you ride around at 9,000rpm all the time.
RedDogDarren
Well-known member
Fair enough. You have to understand I am a lazy v-twin rider and I sometimes forget that's an option.
What's a DB dawg and where do I get one?
Extremely debatable. These are all about noise reduction.
It's a baffle you secure to the can's outlet. Pro6 (shameless plug) carries them although I'd just go without.
I feel it's way too loud at night. I don't really want to wake up my neighbors. If I can easily take off and on might be something I'm interested in.
I agree the loss of back pressure has been proven wrong on the k7(probably on other bikes too) on other forums.
RedDogDarren
Well-known member
I base it on my experience with my 97 YZF750R which lost everything below 9000 when I went to a full race system and yes I had the jetting done on a Dyno. It wasn't for sound on that bike or my FZR1000
If you lot everything below 9k with a full race xhaust and a dyno tune I would be ****** at the guy that was dyno tuning it because I am assuming he didn't do a very good job.
RedDogDarren
Well-known member
It was the bikes design, I investigated others with the same model and the pipes were great for maximizing high rpm power which it needed at the time for the track. I don't think that Ryan does bad work. It wasn't him, it was the pipe vs loss of the EXUP valve. When I kept it on the 1000 and just used a slip on with jet kit the results were VERY satisfactory.
I know what you are saying about the valve being an aid for noise tests, but when track bikes have pipes designed with these valves then I would say that at least in the early years (EXUP, etc) the valves WERE for maintaining low end power whilst maximizing top end pipe design.
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