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Discussion Starter · #1 ·
Just looking for opinions here. Will be purchasing an exhaust for my R7. I'm torn between yoshimura or and M4 exhaust. I've seen and heard both...yet still torn. The M4 does seem to have deeper growl. Any opinions would be greatly appreciated.
 

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It would be nice to see power differences between options, some dyno results for the primarily offerings. I do not entirely trust manufacturer provided power info, which they are not even providing yet. With a slip on, basically, a 2" hole is a 2" hole. But it is reported that for the GYTR offering (I think it was), the length does matter and makes a noticeable difference. Louder does not mean more power. Riding last night, I was thinking the Yosh R-77 is almost too loud for city riding, in the canyon or track, I do not mind it at all.
 

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It is not my only metric. I have the R77 installed, if another brand made what would be a noticeable power increase over that I'd seriously consider switching. Cost dependent of course.
 

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Discussion Starter · #9 ·
I'm torn between a carbon fiber yoshi or carbon fiber M4. Only thing with yoshi when I called, I was told that they're on back order until like April. Im about 60% towards M4, I heard it on a R7 on you tube....deep growl. Im from the south we LOVE Loud pipe.


 

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I'm torn between a carbon fiber yoshi or carbon fiber M4. Only thing with yoshi when I called, I was told that they're on back order until like April. Im about 60% towards M4, I heard it on a R7 on you tube....deep growl. Im from the south we LOVE Loud pipe.



I just installed the full carbon fiber Yoshi on mine, it is super super deep. I'm in love with it, sounds super mean. I got mine off eBay and was delivered in 2 days here in Texas.
 

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Discussion Starter · #11 ·
I just installed the full carbon fiber Yoshi on mine, it is super super deep. I'm in love with it, sounds super mean. I got mine off eBay and was delivered in 2 days here in Texas.
yeah i see. Yet the price is almost $500 more on ebay than on the Yoshi website. Does it even come with a warranty? The M4 is $40 dollars cheaper
 

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yeah i see. Yet the price is almost $500 more on ebay than on the Yoshi website. Does it even come with a warranty? The M4 is $40 dollars cheaper
I still see the full carbon system for $730 shipped plus tax, where did you look? Was the first one to come up when I searched "MT07 R77 Yoshimura". It's the exact same one, site lists it as "mt-07/R7".
 
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