D'Speedy Garage

New Rapid Bike Evo2 & Rapid Bike Racing2

Power and technology in a compact form

Smaller case, reduced weight, plug & play connection for every motorcycle

Make the most of your bike with Rapid Bike Add On Module !

MORE POWER for Your Adventure Bike | Rapid Bike Tuner & Quick Shifter The mission of the ADV-R build is to optimize the power and performance of the Moto Morini X-Cape 650. In this episode we upgrade the 649cc parallel twin en...

CF MOTO 450 MT Rapid Bike Evo

BMW GS 1250 Adventure Rapid Bike Smart

Honda X ADV 750 2021 - 2024 MWR Racing Air Filter

BMW S1000RR

Rapid Bike Smart + MWR Racing Air Filter

MWR Air Filters are built upon 2 decades of experience in developing and producing high performance air filters for road, race, and off road use.
This experience has been gained working with some of the biggest air filter companies in Europe in areas such as World MX, Dakar (bikes, cars and trucks), Moto GP, WSB, BSB, AMA and even Rallycross. The knowledge gained during this period was invaluable and led MWR to develop their range of performance foam filters.
This revolutionary Air filter increases power and reduces intake noise. Unlike any other sports filter all inlets will get the same quantity of air, regardless of the speed of the motorcycle or wind directions. This is because of the unique design of the Air Splitter Plate and how it evenly distributes air throughout the airbox. No different fuel-mappings between internal & external or front & rear cylinders are needed. Clean and re-oil once a year.

Installing a full system exhaust

When installing a full system, procedures differ based on whether you have a carbureted bike or a fuel-injected motorcycle. This is because most aftermarket full exhausts require changes in fuel management to work at their best.

The goal of changing the fuel management system is to prevent the engine from running "lean," which, in this case, happens when more air is entering the cylinder, yet the amount of fuel per stroke remains the same.

When an engine runs lean, it tends to overheat quickly and may even backfire when the bike is decelerating. Needless to say, any hope of performance gains would be gone in this scenario.

The opposite of this is running "rich," in which the engine receives more fuel per stroke and not enough air. Stock exhausts do generally well at walking the line between performance and fuel economy, but full exhaust systems need an extra step to ensure optimal function.

This is where fuel system management comes in. If you have a carbureted bike, you will need to acquire a jet kit. A jet kit is a collection of parts that allow you to reconfigure a carburetor's fuel delivery. Installing a jet kit is usually straightforward, although it will take some time and effort.

On the other hand, fuel-injected motorcycles come equipped with engine control units (ECU) that determine the bike's air-to-fuel ratio automatically. In this case, you will need a fuel controller. A fuel controller intercepts the signal coming from the ECU and relays its own information to the fuel injectors. The result is an air-to-fuel ratio that's appropriate for your bike and the exhaust. Keep in mind that the fuel controller may need to be mapped with computer software, so consult with a professional for best results.

Subject: Important Notice Regarding Counterfeit MWR Velocity Stacks

Dear All,

We would like to issue an important warning regarding counterfeit MWR velocity stacks currently circulating in the market. These imitations have been copied exactly from our R1 stacks and are particularly characterized by inferior DFM printing.

The quality of these particular R1 stacks is significantly substandard. The DFM printing process used for these fake product often results in poor dimensional accuracy, meaning some may not fit properly. Additionally, there are overhanging parts that can easily break off due to improper manufacturing. This poses a significant safety risk if the product fails while in use.

Those manufacturing and selling these counterfeit products appear solely interested in financial gain, with little regard for your safety.

Please note that genuine MWR stacks are always marked with our logo, packaged in original MWR packaging, and only available through official MWR dealers.

Stay vigilant and ensure your safety by purchasing only authentic MWR products from our authorized dealers.

Best regards,

Wilco v Zutphen
CEO
MWR Airfilters

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