The heart of our Racing Beat Power Pulse muffler is our polished 304-stainless steel canister. The inlet and outlet tubes also feature mandrel-bent 304-stainless steel for excellent durability and appearance. For maximum performance potential, our silencer features a 2.375" OD Straight-Flow internal design configuration . Finished with a 3.5" OD polished 304-stainless steel tip, this large diameter muffler will handle applications from stock to race.
Designed and manufactured entirely by Racing Beat, this muffler features stainless steel wool and ceramic sound-deadening packing insulation to provide the optimum exhaust note for your MX-5. The Power Pulse Muffler offers a deep, throaty exhaust note without any harsh, buzzy or droning tones. All Racing Beat exhaust systems are tuned in-house by our engineering staff to produce a modest exhaust tone at low speeds, and a bit more "attitude" under full throttle acceleration. All this and its still quiet enough not to annoy you or your neighbours on low revs.
On an otherwise stock MX-5 (baseline hp - 110.6) our dyno tests have shown a 2.4 hp gain (max hp - 113.0) with the addition of this muffler. Combine this muffler with a Racing Beat air intake for gains of up to 8.5 hp! Don't be swayed by exaggerated performance claims made by other aftermarket suppliers - big HP gains from an aftermarket rear muffler simply don't exist. If they did, why would Mazda leave this untapped horsepower behind???
Each Power Pulse muffler is supplied with a replacement OEM donut style gasket. Installation can be completed using basic hand tools; simply unbolt the two retaining nuts, slip the original muffler off the rubber hanger grommets, and then reverse the process for installation of the new Power Pulse muffler.
As reviewed in the November 1999 issue of Import Tuner, this Power Pulse exhaust system (muffler and connecting pipe) added 3.2 horsepower to the wheels of a 1990 MX-5. Combine this exhaust with a Racing Beat High Flow Air Intake for gains of up to 9 hp!
Easy-to-install, this system can be bolted to the car in minutes using the supplied hardware kit.
If you are unsure this will fit your MX-5 Please check the silencer inlet picture attached
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