EXHAUST HEADER 13B, 79-92 4&6-PORT DUAL OUTLET
Racing Beat 13B Exhaust Header, 79-92 4&6-PORT DUAL OUTLET
| SKU: | 16127 |
| Manufacturer SKU: | 16127 |
EXHAUST HEADER 13B, 79-85 6-PORT DUAL OUTLET
Racing Beat’s Road Racing Header for the 1984-92 RX-7 13B (6-Port) is the first step in building a serious racing exhaust system. The engine-to-pipe flange is laser cut from 1/5″ thick flat steel. Like all of the headers we manufacture, the Road Racing Header is constructed with 2″ OD mild steel tubing, .120″ inch wall thickness, and mandrel-bent tubing throughout.
Outlet flange gaskets, bolts, and nuts are included. If needed, an engine-to-header gasket is available separately. An Air Control and Check Valve Cover Plate is required when using this header with a stock intake system. The Road Race Header can also be used as the basis for a custom streetable exhaust system in any car from 1971-92 (equipped with a 6-port engine), which allows simple swapping between street and race exhaust systems.
This header can used with the Street Port Center-Section Pipe 1979-85 12A & 13B except GSL-SE or 1984-85 GSL-SE.
$394.75
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Our Racing Beat-designed, “Long Primary” Street Port Complete RX-7 Exhaust System is designed for any 1979-85 RX-7 with a 13B street-ported engine. Designed specifically to optimize the performance benefit of a ported rotary engine, this RX-7 exhaust system will provide the maximum power output possible from an aftermarket RX-7 exhaust system. While louder than the stock system, the dual resonated center section offers maximum exhaust gas flow and scavenging while reducing sound output to a modest level.
Offered as a packaged set, this kit consists of a Road Race Header, the Street Port Center Section (for a 13B 6-Port engine), 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. The center section for this application includes an exhaust backpressure pickup for to allow the correct operation of the 6-Port intake actuators. Since this is intended for racing applications, there is no provision for an oxygen sensor on this system.
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