Early Rotary & 1979-85 Mazda RX-7 : Exhaust Complete Systems

 : Exhaust - Complete Systems : Street Port Exhaust System 79-85 12A

Street Port Exhaust System
79-85 12A *

Part Number: 16422

Price: $1,110.00

This part is on backorder. Priority Pre-Order this part to ship as soon as available.
Estimated availability: 10/15/18.

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Street Port Exhaust System - 79-85 12A - Detail 1Street Port Exhaust System - 79-85 12A - Detail 2Street Port Exhaust System - 79-85 12A - Detail 3

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Street Port Exhaust System
79-85 12A *

Our Racing Beat-designed, "Long Primary" Street Port Complete RX-7 Exhaust System is designed for any 1979-85 RX-7 with a 12A 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, 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.

* Legal in California only for racing vehicles, which may never be used upon a highway.
  What does this mean? Click Frequently Asked Questions About Emission Laws And Regulations.
Made in the USAMade in the USA by Racing Beat, Inc.

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