Racing Beat Air Duct RX8, 04-08 Ram Air Revi

Racing Beat offers our Ram Air Duct for use with the Racing Beat REVi Intake Kit on all 2004-2008 RX-8s. The inlet of this duct is positioned in the mouth opening of the Mazda RX-8 to allow cooler ambient air to be force-fed directly into the REVi intake tract, converting your intake into a true “cold-air” intake system!

Designed by Racing Beat, this high-density polyethylene intake duct mounts under the nose of your RX-8 and directs air into the inlet of the REVi Intake Kit. This duct can also be used with the stock intake box or aftermarket intake kits to direct cooler air into the engine compartment.

Racing Beat Revi Air Intake System RX8 04-11 

Working with the design team at AFE Power, a high capacity air filter was developed that allowed Racing Beat to position a tuned-length intake horn inside the filter body. This filter design allowed them to fine-tune the length of the air horn to maximize the performance potential. They have noted that many aftermarket intake systems for the RX-8 incorporate a large air filter, which is then connected to the intake manifold with a length of plastic or metal tubing. In many cases, the size of the filter that has been selected will dictate the length of tubing required, severely limiting the critical tuning importance of the air intake tube!

The REVi intake system addresses one of the most common complaints that we hear regarding aftermarket intakes for the RX-8 – extremely loud intake noise! Although a simple unshielded “tube-and-filter” intake system may produce respectable top end power, the noise levels that are produced are unbearably loud. During initial testing with one of the more popular aftermarket RX-8 intake kits, RB recorded a full-throttle sound level reading of over 90 db inside the car, with the windows rolled up! Compared to the stock sound level, they believe that you will soon tire of this type of “rocket-racer” intake buzz. The RX-8 REVi intake produces a much more modest intake sound with only a 2-3 db increase over the stock system. As described on by one of the prototype test volunteers, “The REVi intake is definitely louder than the factory unit, but not unreasonably so. It actually sounds deep and pretty darn good.”

Notes: The original MAF sensor is retained for use with this intake, a replacement is not supplied with this kit.

Racing Beat Production Notes: As of January 1, 2010, due to inconsistencies in the blue anodizing processes previously utilized, the aluminum mass air flow sensor tube is now provided with a clear (silver) anodizing surface treatment. As of 4/2014, the hose clamps provided with the kit are K&N-supplied worm-style clamps. Actual components in this kit may vary from the photos shown.

K&N Typhoon Air Intake System, RX8

The K&N 69-6030-1TFK Typhoon air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Mazda RX-8 models. The restrictive factory air filter and air intake housing are replaced by the K&N Typhoon air intake which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow. This allows your engine to inhale a larger amount of air than the factory air intake. More air means more usable power and acceleration throughout the engine’s RPM range. The 69-6030-1TFK air intake comes with a K&N high-flow air filter encased within an ultra-lightweight carbon fiber housing and a heat shield that installs into the previous air box space. Air is directed through the intake tube into the engine’s throttle body for a guaranteed power gain. The intake tube has an attractive flat black finish that’s made to last and it accommodates the factory mass air sensor, air straightener and several vent lines. The oversized encased air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install usually in 90 minutes or less. Some Typhoon air intakes are not legal for sale or use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal. Check the K&N catalog or website for vehicle applications and specific CARB status for each vehicle and air intake.