A revolution in exhaust technology finally in a MX5 application, this mid-pipe features an exclusive Helmholtz Resonator that massively reduces the standing wave 'boominess' inside the exhaust system BEFORE it gets to your muffler of choice!
Cuts the 'booming' frequencies of 120-130hz by 48+db inside a top up MX5 cabin which is a common source of complaints with aftermarket exhausts on the MX5. Designed as a bolt-on replacement for the factory mid-pipe to carry higher flow all the way out any of our mufflers.
Works with ANY of our silencer choices and customers report great results with everything from our RoadsterSport line to the original MazdaSpeed Mufflers. Simple Bolt on. INCLUDES TWO O2 SENSOR CONNECTIONS which gives YOU the option to later add our RoadsterSport headers and avoid engine codes (by using our O2 plug and play extension cords to relocate the factory O2 sensors to before and after the converter in this midpipe). All stainless steel construction for years of driving pleasure.
This MX5 mid-pipe is larger diameter than stock for superior flow, particularly when matched to our headers. Uses high quality SPUN 300cell catalytic converter with metal core. This midpipe will raise the final sound level because of the higher flow larger diameter tubing and because the Helmholtz is frequency specific in operation.
Brian's application notes: It's a serious revolution in MX5 exhausts, makes just about any silencer combination MUCH more fun. I never seriously considered less than our RoadsterSport SuperQ as appropriate for the NC Generation Miata AFTER adding any header but this midpipe makes ALL our choices MUCH more fun, particularly after header install. NONETHELESS, this midpipe is NOT for the timid. Why? Because the nature of this style of resonator is that the targeted frequencies are much LOWER volume and other frequencies not targeted are much LOUDER than with our standard midpipe. This dual nature of the performance means when you are hard on the throttle it is LOUDER than with our standard midpipe, but on deceleration or running in the low rpm ranges where these cars tend to drone this setup is much quieter than our standard midpipe.
You get all the racy fun, without the drone, but beware that racy fun never shuts up if you use a heavy foot! Therefore, think about what you really want, who YOU really are! If you don't mind some attention for the throaty racing sounds when on the throttle and you just want a mid-pipe that kills drone on deceleration and when cruising then this is your dream NC MX5 Mid-pipe.
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