EXHAUST PRE-SILENCER, 79-80 4-PORT
Racing Beat Exhaust Pre-Silencer, 79-80 4-Port
| SKU: | 16404 |
EXHAUST PRE-SILENCER, 79-80 4-PORT
The Racing Beat Mini Power Pulse Presilencer is designed specifically to replace the Heat Exchanger on 1979-1980 RX-7s to either provide a quieter exhaust with a more pleasant character or because the original Heat Exchanger has failed. This presilencer is 10.625 inches long and 4-inches in outside diameter. The inside diameter, 2 inches, is a straight-through perforated-core design. The end caps are .375-inch thick and fitted with 12mm studs. The inlet end mates to the Heat Exchanger flange at the rear of our header, while the outlet end mates to a catalytic converter flange. Inside, the perforated core is made of stainless steel and is packed with stainless steel wool.
This small presilencer is also ideal for use in the design of a custom exhaust system when space concerns does allow the placement of a longer presilencer. Multiple units can be installed in sequence as need to meet your sound level needs.
$236.78
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EXHAUST HEAT EXCHANGER GASKET REAR 76-80—NLA–
Sorry, this item has been discontinued by Mazda
EXHAUST HEAT EXCHANGER GASKET, REAR 76-80
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MUFFLER UNIVERSAL, POWER PULSE 79-85 RACING BEAT
Racing Beat Universal Power Pulse Muffler, 79-85
In response to numerous requests from customers demanding a very low restriction“street capable” muffler, Racing Beat now offers the Universal Power Pulse PR-Extreme RX-7 Muffler with a 2.75″ OD internal perforated core design to meet the performance demands of high-horsepower ported rotary engines. The Power Pulse PR-Extreme RX-7 Muffler is compatible with all 1979-85 RX-7 muffler rear mounting positions and retains the factory stock appearance; this PR-Extreme RX-7 Muffler includes an inlet of 3″.
The Racing Beat Universal Power Pulse PR-Extreme RX-7 Muffler is manufactured by the same exhaust components manufacturer that has produced the “tried and proven” First Generation RX-7 Power Pulse mufflers (1979-80, 1981-82, and 1984-85) since the mid-1980s. Utilizing a heavy-walled canister shell and extremely durable heat and noise insulating materials, the Racing Beat Power Pulse PR-Extreme RX-7 Muffler is engineered for the high exhaust gas temperatures found in rotary engine applications.
The main body of the muffler canister measures 8 inches in diameter and 18 inches in length. The dual outlet tips are completely chrome-plated with straight-cut outlet.
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.
SKU: 16436 -
EXHAUST HEAT EXCHANGER GASKET, FRONT 76-80
79-80 Front of Heat Exchanger Gasket
SKU: 40-3050-N2Y1 Manufacturer SKU: N2Y1-40-305 -
EXHAUST CENTER SECTION, 79-85 RB 4 PORT/6 PORT
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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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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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