EXHAUST SYSTEM SINGLE, 83 12A
Racing Beat Single Exhaust System, 83 12A
| SKU: | 16415 |
EXHAUST SYSTEM SINGLE, 83 12A
Racing Beat offers a complete RX-7 high-performance exhaust system for the 1983 RX-7 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 hardware. 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. 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.
$1,121.80
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MUFFLER POWER PULSE, 83-85 ALL RACING BEAT
Racing Beat Power Pulse Muffler, 83-85 All
1983-85 RX-7 Power Pulse Muffler – Racing Beat has been manufacturing replacement muffler canisters for rotary powered vehicles for over 40 years. Ordinary replacement mufflers don’t stand a chance against the extreme temperatures and pounding exhaust gas pulsation generated by the rotary engine. Many of these replacement RX-7 mufflers will quickly burn up the packing material and self-destruct under these harsh conditions. Many years ago Racing Beat discovered an exhaust system supplier deep in the heart of the Italian countryside that was willing to produce Their RX-7 mufflers for them. That was over 30 years ago and they have never looked back! In fact, we can’t ever recall having a complaint with one of their mufflers, they just flat out work. Solid, strong and quiet, they hold up extremely well against the abuse of the harsh rotary exhaust.
The Power Pulse RX-7 Mufflers interchange exactly with the stock RX-7 muffler on the 1983-85 chassis years. The main body of the muffler 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 muffler adds up to 5 HP over the Mazda factory muffler and is as quiet as a stock muffler with an improved note – deep and throaty, with no annoying metallic character. Emissions legal, this muffler bolts to the outlet of the connecting pipe section. Gaskets are not included, but are available separately if needed.
Now may be the time to consider replacing the old rubber muffler hangers on your RX-7. New replacement hangers will ensure correct alignment of the RX-7 muffler canister and tip position in the bumper opening.
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EXHAUST HEADER 12A, 81-83 RX7
Racing Beat 12A Exhaust Header, 81-83 RX7. Actual header not shown in photo – oxygen sensor fitting only included on 1984-85 RX-7 GSL-SE header.
This Racing Beat RX-7 Header is designed for a bolt-on installation, when used with the appropriate Racing Beat Power Pulse Presilencer in all 1981-83 RX-7s. The combination of this RX-7 header and the appropriate presilencer replaces the stock exhaust manifold and all catalytic converters for use on racing applications, along with any intermediate pieces of tubing.
The Racing Beat RX-7 header assembly is constructed with .120-inch wall, mandrel-bend, mild steel tubing for increased durability. The engine-to-header flange is laser-cut from 1/2-inch thick steel plate to ensure positive gas sealing. An outlet gasket is included. An engine-to-header gasket is available separately if needed.
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EXHAUST HANGER, 2 SLEEVES
Exhaust Hanger, 2 Sleeves
Go To Our FAQ for Exhaust Hangers to see the locations and part numbers of the hangers for your car.
SKU: 40-1600-1114 Manufacturer SKU: 1114-40-160 -
EXHAUST SYSTEM DUAL, 12A DUAL PIPE 79-85
Racing Beat Dual Exhaust System, 12A Dual Pipe 79-85
SKU: 16422 -
EXHAUST PRE-SILENCER, 81-83
Racing Beat Exhaust Pre-Silencer, 71-78, 81-83
The Racing Beat Power Pulse Presilencer for the 1971-78 & 81-83 RX-7 is designed to be used with our wide selection of RX-7 Streetable Headers to complete a bolt-on configuration. These Power Pulse Presilencers are ideal for those individuals wanting to fabricate custom exhaust systems incorporating either long or short primary exhaust systems.
The Power Pulse Presilencer improves the character of the exhaust noise, dramatically reducing the inherent, obnoxious metallic high frequency noise with virtually no power loss. Constructed with a high temperature, 2-inch I.D. perforated core of 304 stainless steel wrapped with high-temperature stainless steel wool, the Power Pulse Presilencer measures 20 inches in length with a 4-inch outside diameter. The mounting studs are 12mm both front and rear.
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EXHAUST HEADER 13B, 74-78 NO FLANGE EXCEPT PICK UP
Racing Beat 13B Exhaust Header, 74-78 No Flange. Will not work on the Pick Up
This rotary exhaust Header/Collector (less outlet flange) is ideal for RX-2, RX-3, RX-4, and COSMO (does not fit rotary pickup) custom exhaust installations. The flame-cut, .5-inch thick engine flange provides positive sealing and alignment. By integrating the collector with the header we reduce the effort and cost in completing the exhaust system. Engine-to-pipe gaskets are not included but are available separately. An Air Control and Check Valve Cover Plate is required when using this header with a stock intake system.
If the stock resonator is eliminated during installation of this unit, we strongly recommend selecting a Power Pulse Presilencer and installing it in place of the resonator to maintain a pleasant noise level and character.
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EXHAUST HEADER 13B, 79-92 4&6-PORT DUAL OUTLET
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EXHAUST SYSTEM DUAL, 13B DUAL PIPE 79-85
Racing Beat 13B 4 Port Dual Pipe Exhaust System 79-85
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