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The Guys at MWR are always on the hunt for power and to keep the Factory and Race teams happy. They have discovered that on 1000cc bikes the OE filter surface area was too small. It doesn't matter what filter you install, you always have a kind of restriction. The MWR "R" filter has been giving the best power overall compared with all other sportsfilters.
With the cooperation of KHI , MV Agusta and MotoGP teams, they have developed a new style airfilter that increases the filter surface enormously. On the BMW S1000RR the Surface area is increased by 50%, on the GSXR 1000, 1199, & R1 the increase is 90-100%. More surface area means less restriction and better protection. The secret in the new style filters is that they use two different kinds of foam materials. The portion where the logo is printed is foam material used for road bikes, the rest is the foam material for the full race filters, placed to create the same effect as the splitterplate on the "HE" & "R" filters.
Tests up to now show average gains of a minimum 6.5HP over the MWR "R" filters.The filters are currently in use by : Tom Sykes ( 2 years now), 2014 World Champions Yamaha GMT 94, MV Agusta World Superbike, Ryuichi Kiyonari (BSB), IOM TT Winner Micheal Dunlop, AMA Superbike team TPL Corse (Ducati), Double 899 Cup Champions (BSB) Carl Cox/P&H Motorcycles and Dani Rivas (CEV Superbikes, BMW) and BMW Motorrad Italia with Sylvain Barrier.
Our shop tests on the dyno here at SBU have shown gains of up to 5hp on the 2015 R1. See our dyno chart in the images above.
- 2015-2018 Yamaha YZF-R1