• We did it for the R6...
    1-2 True HP
  • We did it for the CBR929rr...
    2-3 True HP
  • Now we're doing it for the R1...
    2-3 True HP

TWICE!

vstacks_Y68_50.JPG (46161 bytes)

vstacks_Y68_59.JPG (49342 bytes)

RA-VEL-Y68-50

50mm

Best top-end boost;

2-3 easy hp
click for True HP dyno chart

above 9k rpm to redline

Also improves 2-5k horsepower

For those who demand maximum peak power

RA-VEL-Y68-59

59mm

Makes more power everywhere with the stock airbox!

1-3 easy hp
click for True HP dyno chart

throughout the rev range

Especially at 9-10k rpm

Also Strongly recommended for midrange gains with aftermarket airboxes!


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