EXHAUST HEADER 13B, 89-92 6PORT DUAL PIPE
Racing Beat 13B Exhaust Header, 89-92 With 6 Port Actuation and O2 sensor fitting.
| SKU: | 16129 |
EXHAUST HEADER 13B, 89-92 6PORT DUAL PIPE
Road Race Header (w/ oxygen sensor position for use on a 1989-92 RX-7 13B) – This model Road Race Header that we offer is intended to bolt-up to the Road Race Presilencer section. Please note: this header is not compatible with the Street Port Center Section that we offer for the earlier 1984-85 RX-7 GSL-SE – only with the Road Race Presilencer section referenced above. This header is not compatible with the 1988-92 RX-7 convertible chassis equipped with the automatic transmission: the header outlet will make contact with the transmission case.
Racing Beat’s Road Racing Header is the first step in building a serious racing exhaust system. The engine-to-pipe flange is laser cut from 7/16″ thick flat steel for superb exhaust gas sealing qualities. Like all of the headers we manufacture, the Road Racing Header is constructed with 2″ OD mild steel tubing, .120″ wall thickness, and mandrel-bent tubing throughout. This header weighs approximately 15.5 lbs and is approximately 28″ in length.
On the 1986-88 13B 6-Port engines, the auxiliary intake actuators are operated by backpressure from the exhaust system. On the later 1989-92 13B 6-Port engines, these actuators are operated by air pressure from the emissions control air pump. Installation of this header does NOT require the removal of the air pump, and therefore the operation of the 6-port actuators are not affected. Included on the header is an oxygen sensor position for cars that require an oxygen sensor for correct operation.
Outlet flange gaskets, bolts, nuts, and installation instructions are included. An Engine-to-Header gasket is not included, but is available separately if needed.
$375.95
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Racing Beat offers the complete Full Stainless Steel Road Race RX-7 Exhaust System for the 1989-92 RX-7 (manual transmission). This completely Stainless Steel RX-7 exhaust system is intended for use on RX-7 applications running under the extremes of road racing, drag racing, or any high performance, high RPM application. The Racing Beat Full Stainless Steel RX-7 dual exhaust system has been designed to maximize the exhaust gas scavenging benefits while maintaining reasonable sound level outputs.
NOTE: This exhaust system is not compatible for use on automatic transmission-equipped vehicles due to fitting tolerances with the larger AT bell housing.
The following is included in this RX-7 exhaust system:
1989-92 RX-7 Stainless Steel Road Race Header
The Racing Beat Road/Race Header for the 1989-92 13B engine features Stainless Steel construction for excellent durability.Road Race Presilencer
Mating to the outlet of the header is the Racing Beat Road Race Presilencer. The straight-through dual presilencer unit offers beneficial sound reducing qualities by trapping a significant level of the harsh rotary exhaust note.Road Race Y-Pipe
The Racing Beat Y-Pipe section routes the exhaust gases exiting the presilencer section to each of the Power Pulse muffler units.Road Race Mufflers (Left and Right Pair)
Sharing the same design technology as our Power Pulse muffler units, the Road/Race mufflers (Left and Right) feature all stainless steel construction for superior durability and appearance. Large diameter tubing routes the exhaust gas through each muffler unit, exiting through polished stainless steel tips.SKU: 16452 -
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The Racing Beat street legal, Power Pulse cat-back RX-7 exhaust system is the perfect replacement for your RX-7 exhaust – a durable assembly offering a real horsepower gain over your stock unit. If you need to retain the emissions status of your RX-7 and keep the sound level to a tolerable level – look no further than this Racing Beat system!The RX-7 exhaust system consists of a Racing Beat Y-pipe and two 2.375″-inch (OD) 304-stainless steel Power Pulse mufflers. The replacement Y-pipe is manufactured using 2.5-inch (OD) tubing, splitting off into a pair of 2-inch (OD) tubes feeding the left and right Power Pulse Muffler canisters.
Careful consideration was given to the correct placement of each muffler canister with regards to the opening in the rear bumper. Racing Beat positioned the muffler canister “under” the rear bumper in order to present a more integrated look. Unlike many aftermarket systems that use a simple universal muffler, the Racing Beat system utilizes a rotary-engine designed muffler that has been specifically designed for the 1986-92 RX-7 application.
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The Racing Beat presilencer is equipped with an exhaust back-pressure tube for correct operation of the 6-port actuators. Installation of this requires the removal of the air control and check valve and the air pump. This kit includes all necessary mounting hardware, air control & check valve cover plate, and gaskets (1 Back Pressure Pick-up and 3 Replacement Pipe-to-Presilencer gaskets).
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