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The Racing Beat Dual Outlet Miata Muffler for the 1999-2005 Miata is produced entirely from 304-stainless steel for superior durability and appearance. The inlet tube features a thick, cast-stainless steel flange which provides excellent gas sealing capabilities. Each stainless steel outlet tube feeds into a double-walled tip for an aggressive and sporty look. The two 3.5" OD exhaust tips are manufactured using highly polished 304-stainless steel and are slightly oval in shape to provide a perfect balance and proportional fit with the Miata's rear bumper. Each tip features a etched Racing Beat logo to add the finishing touch! Like all Racing Beat exhaust components, this system has been tuned to provide the Miata with a deep, throaty exhaust note - without any harsh, buzzy or "raspy" sounds.
Each Miata Power Pulse system comes complete with fully detailed instructions and mounting hardware, and can be easily installed by the weekend mechanic using only simple hand tools. A positioning template is provided to assist with cutting of the new opening for the additional outlet tip. The new opening can be cut through the soft urethane bumper material using only a small utility knife. A small sanding block is then required to smooth out the opening to the final shape.
This exhaust is "cat-back" emissions legal and meets California sound level requirements.
Connecting Pipe Section Replacement For the 1999-2005 Miata, Mazda incorporated both a non-removable catalytic converter and a presilencer into the mid-chassis connecting pipe section. Since there is no flanged connection behind this catalytic converter, installing a traditional bolt-on, "cat-back" exhaust system on the Miata isn't possible. Another alternative is to replace the entire connecting pipe section with larger diameter connecting pipe section with an integrated "high flow" cat converter. However, emissions laws are changing rapidly across the US and the sale, distribution and use of these non-exempt performance catalytic converters are facing increasing restrictions. If you are considering this option consult your local emissions authorities before proceeding.