System Weight
The Racing Beat Race Exhaust System has been designed to offer a significant weight reduction over the stock RX-8 system, compare the following:

Stock system + connecting-pipe = 39 lbs
Racing Beat Race Muffler (21 lbs) + Connecting-pipe (8 lbs) = 29 lbs
This is a 25% reduction in weight over the stock system!

All components are handcrafted using 304-stainless steel materials for excellent durability and strength. As a weight saving measure, we decided to eliminate the decorative tip outlet, and instead provided a downward-angled outlet pipe. This pipe reflects exhaust noise downward in an attempt to further dissipate the sound.

Power Output
Performance gains are comparable with our REV 8 Street Exhaust:

Stock production engine – with muffler removed +5 HP
Stock production engine – with RB street or race exhaust + 3.5 HP approx.

Sound Quality
While louder than the stock system, particularly under full throttle, this exhaust system can be used for those looking for a very aggressive exhaust tone for their daily-driven RX-8. A modest driving technique will produce a moderate and tolerable exhaust tone, but jump on the throttle and this exhaust really comes to life. Full throttle does not produce a buzzy or harsh, but a more exotic sound like that of a tuned V-6 engine. During a long-distance trip to the race track during prototype testing for this system, our independent test driver commented that highway cruising was very tolerable, without any droning sounds or harmonics.

This exhaust system is equipped with a stainless steel connecting pipe and all required mounting hardware.

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

PLEASE SELECT YOUR CORRECT MODEL APPLICATION FROM THE DROP DOWN MENU NET TO THE “ADD TO CART” BUTTON

System Weight
The Racing Beat Race Exhaust System has been designed to offer a significant weight reduction over the stock RX-8 system, compare the following:

Stock system + connecting-pipe = 39 lbs
Racing Beat Race Muffler (17.5 lbs) + Connecting-pipe (8 lbs) = 25.5 lbs
This is a 34% reduction in weight over the stock system!

All components are handcrafted using 304-stainless steel materials for excellent durability and strength. As a weight saving measure, we decided to eliminate the decorative tip outlet, and instead provided a downward-angled outlet pipe. This pipe reflects exhaust noise downward in an attempt to further dissipate the sound.

Power Output
Performance gains are comparable with our REV 8 Street Exhaust:

Stock production engine – with muffler removed +5 HP
Stock production engine – with RB street or race exhaust + 3.5 HP approx.

Sound Quality
While louder than the stock system, particularly under full throttle, this exhaust system can be used for those looking for a very aggressive exhaust tone for their daily-driven RX-8. A modest driving technique will produce a moderate and tolerable exhaust tone, but jump on the throttle and this exhaust really comes to life. Full throttle does not produce a buzzy or harsh, but a more exotic sound like that of a tuned V-6 engine. During a long-distance trip to the race track during prototype testing for this system, our independent test driver commented that highway cruising was very tolerable, without any droning sounds or harmonics.

This exhaust system is equipped with a stainless steel connecting pipe and all required mounting hardware.

*Measured approximately 50′ away from the side of an otherwise stock 2004 RX-8 MT under full throttle. Your actual decibel reading may vary. Other factors, including atmospheric conditions, additional performance accessories, tires, etc.. may cause variations in your actual sound measurement.

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

From the selection on the drop down box below we offer the popular Racing Beat-modified High Performance Holley Intake System Kit for the 1974-1985 12A & 13B with stock port, street port and bridge port engines.

One of most significant benefits of this complete ready-to-go kit is that is takes all the guesswork, trial-and-error, and frustration out of attempting to assembly your own intake kit! We’ve taken over 40 years of our rotary engine experience and know-how and combined it for you in this complete, ready-to-install kit. Our intake kits has been thoroughly developed and tested using our in-house engine dyno to ensure maximum performance for each specific engine application.

The heart of each intake system is a performance-proven Holley carburetor. Depending on the requirements of each specific application, the carburetor is disassembled by Racing Beat’s carburetor technicians then reworked, retuned, and reconfigured specifically for use with a designated rotary engine application. This process is not a simple “re-jetting” project, but a complex series of steps requiring machining, drilling and reconfiguring of the main and metering bodies, adjustment of the float bowls, and complete replacement of all jets.

Headers must be used with these street port intake systems to achieve maximum horsepower gains.

The carburetors and manifolds used in these Holley kits are also available separately in the “Holley Components” section. Also see the “Intake” section for other related intake components.

Note: Installation of this kit requires use of a high performance fuel pump delivering 6 psi @ 20 gph.

PLEASE SELECT YOUR CORRECT MODEL APPLICATION FROM THE DROP DOWN MENU NET TO THE “ADD TO CART” BUTTON

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

Racing Beat’s High Performance Holley Intake System Kit has proven over the years to be an extremely reliable carburetor upgrade, with very “streetable” engine smoothness and drivability characteristics. Fuel economy is comparable to the stock carburetor under similar driving conditions.

Complete Ready-to-Install Kit
One of most significant benefits of this complete ready-to-go kit is that is takes all the guesswork, trial-and-error, and frustration out of attempting to assembly your own intake kit! We’ve taken over 40 years of our rotary engine experience and know-how and combined it for you in this complete, ready-to-install kit. Our intake kits has been thoroughly developed and tested using our in-house engine dyno to ensure maximum performance for each specific engine application.

Rotary-tuned By Racing Beat
The heart of each intake system is a performance-proven 4-barrel Holley carburetor. Depending on the requirements of each specific application, the carburetor is disassembled by Racing Beat’s carburetor technicians then reworked, retuned, and reconfigured specifically for use with a designated rotary engine application. This process is not a simple “re-jetting” project, but a complex series of steps requiring machining, drilling and reconfiguring of the main and metering bodies, adjustment of the float bowls, and complete replacement of all jets. Each application has been fully developed and tested on our in-house dyno facility to ensure maximum performance.

Each comprehensive package includes a Racing Beat cast-aluminum high-rise intake manifold with a vacuum source for power brakes, a Racing Beat-modified Holley carburetor (465 CFM), foam air cleaner and canister assembly, throttle and metering oil pump linkages, and appropriate gaskets. All emissions control fittings are eliminated. This carburetor includes a vacuum-operated choke.

Performance
When installed on a 1976-78 RX-3 or a 1979-85 RX-7 12A engine, this kit increases engine output by approximately 20 HP with the stock exhaust system. However, for increased performance gains we strongly recommend the installation of an exhaust header/presilencer/Power Pulse Muffler combo (10+ HP) or an open exhaust (15+ HP) – resulting in total performance gains of between 30-35 HP depending on your specific intake/exhaust configuration..

The carburetors and manifolds used in these Holley kits are also available separately in the “Holley Components” section.

Note: Installation of this kit requires use of a high delivery fuel pump kit delivering 6 psi @ 20 gph.

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

The spun aluminium canister pieces are powder-coated white for added durability. There is no provision for emission control valve hose/air pump hose connections on this assembly; however, there is a position available to connect a crankcase breather tube if needed.

The Racing Beat-designed Foam Air Filter Element for all 1971-85 Rotaries consists of a polyurethane foam over a metal screen form that interchanges exactly with the stock element. The foam element can be re-used by periodically cleaning in solvent and re-oiling.

While the element offers no significant increase in air flow when compared to a clean, stock paper element, as the paper element collects dirt its air flow capacity decreases dramatically while the foam element is nearly unaffected.

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

(The stock Mazda front engine mount from a 1984-85 13B GSL-SE engine cannot be used as an alternative due to differences in the design of the GSL-SE chassis front cross member.)

When the Racing Beat engine mount is used in conjunction with the 1984-85 GSL-SE 13B engine using any 1974-85 13B Engine RX-7 oil pan, this laser-cut stainless steel mount greatly simplifies installation. This mount can used with either the stock Mazda engine mounts

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

Offered as a packaged set, this kit consists of a Road Race Header, the Street Port Centre Section, and a high flow Power Pulse Main muffler.

The Long Primary system typically adds 5% or more horsepower over a standard Short Primary system on a street ported engine, especially at higher RPMs. This system can also be used on non-ported engines with good results. It is strictly bolt-on, with no welding required. These complete “bolt-on” systems come complete with all required mounting hardware and gaskets. Since this is intended for racing applications, there is no provision for an oxygen sensor on this system.

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

Racing Beat offers a complete RX-7 high-performance exhaust system for the 1979-85 12A RX-7 (w/manual transmission) which includes our Header/Collector, a Power-Pulse Presilencer, and our legendary Power Pulse main muffler.

These components attach to all stock mounting points, and include all necessary gaskets and hangers. The only component not included is the factory connecting pipe that mounts just ahead of the main muffler. There is no horsepower to be gained by replacing this pipe with a larger diameter assembly. If your factory connecting pipe needs replacing, we suggest you contact your local Mazda dealer or muffler shop.

These exhaust systems offer excellent horsepower gains when you require a muffled exhaust system for your stock-ported engine or your standard RX-7 FB.

The actual horsepower increase depends on which year/model stock RX-7 exhaust system you are comparing to, but a 22% increase at 7000 rpm is typical. Thanks to the combined efforts of the Power-Pulse Presilencer and the Power Pulse Main muffler, the exhaust noise is only slightly higher than stock, with a very low, pleasant character.

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

Our Power Pulse Main Silencer assemblies interchange exactly with the stock RX-7 silencer on the 1983-85 chassis years. The main body of the silencer measures 8 inches in diameter and 18 inches in length. The heavy-duty construction, both internally and externally, ensures a long life. In a typical application, this silencer adds up to 5 HP over the Mazda factory muffler and is as quiet as a stock silencer with an improved note – deep and throaty, with no annoying metallic character. Gaskets are not included, but are available separately

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here

This silencer is a large diameter high-flow silencer  designed for street ported engines as well as the stock 1981-1982 RX-7 chassis. It consists of two 1.75-inch tubes that collect into one 2.375-inch tube. It is slightly louder than our other Power Pulse silencers.

This Power Pulse Main Silencer assembly interchanges exactly with the stock RX-7 muffler on the 1981-82 chassis years. The main body of the silencer measures 8 inches in diameter and 18 inches in length. The heavy-duty construction, both internally and externally, ensures a long life. Gaskets are not included, but are available separately.

Please Note that this item is special order only, and is subject to our non return policy for special order items under our T&C’s of sale. for more information please check out T&C’s here