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CELEBRATING 20 YEARS OF BUSINESS - 2002 - 2022 

Mazda MX5 ND EXHAUST SYSTEMS

Good Win Racing "SUPER-Q" TWIN TIP Stainless Steel Premium Adjustable Sound Exhaust 2016-2020 ND

Good Win Racing "SUPER-Q" TWIN TIP Stainless Steel Premium Adjustable Sound Exhaust 2016-2020 ND

£799.95
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Stock Status: In Stock

All the Fun without the Drone

This attenuation design is a premium "NO-DRONE" choice, great for those who want a throatier sound than stock but still mild. To fit all MX5 ND Models

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Goodwin Racing MX5 2016-2020 RoadsterSport "SUPER-Q" TWIN TIP" Stainless Steel Premium Adjustable Sound Exhaust 1.5 & 2.

Fits all 2016 and newer MX-5’s with manual or automatic transmission, soft top or retractable hardtop.

Following the huge popularity of our NC application "Q" Silencer this New Version of the Q for the ND is once again "Q" for Quiet version. This attenuation design is a premium "NO-DRONE" choice, great for those who want a throatier sound than stock but still mild.

Smooth mandrel bent tubing redirects the flow for a side entrance to the muffler where we engineered a three-chamber design. It would be much cheaper to just use a single big muffler with nothing but perforated pipe through the centre surrounded by sound absorbing materials, but doing it right with the three chamber design allows us to tailor precisely the FUN sound you want when you push it toward redline, without the harsh drone on decal that the more simple designs make you suffer.

This triple attenuation chamber design muffler is the mildest of our choices and mellow on an otherwise stock MX5 ...about 15% louder than stock...with a deep sporty burble anytime you hit the go pedal but quiet when you are just cruising.

This triple chamber design features an exclusive 'Helmholtz Resonator' first chamber that massively reduces the standing wave inside the exhaust system, reducing the 'booming' tendency by over 50db inside a top up MX-5 cabin that is common on many aftermarket Miata exhausts.

To create this Helmholtz chamber, we outfitted our MX-5 ND Gen MX-5 with a computer and sound analyser and microphones and drove it under varying conditions and loads and without the stock muffler for the computer to carefully measure the sound spectrum coming out the stock mid-pipe. We then use that data and some special software to calculate the particulars of the Helmholtz chamber size and valve specs to precisely knock down the frequencies we do not want to hear in the new MX5 while allowing the good throaty burble fun sounds to pass through. The result is deep throaty fun, without the drone!

The Helmholtz chamber gives this silencer a dual personality, under decal it is super mild and quiet, yet when you push hard toward redline it gets more fun and racier! With the top down lots of fun throaty burble, but dramatically tamer when the top is up. 11kgs. In brief, FUN when you want it, and yet totally mild when just cruising top up.

Yes, simple BOLT ON install, just two bolts!

INCLUDES our exclusive baffle cone insert in the Tips which is REMOVEABLE and allows you to set the sound to sporty...or quiet.

Also available is our optional packed baffle with which you can quiet it down even more. This system is 10% to 15% louder than the stock MX-5 silencer on an otherwise stock MX5 exhaust system....and only 20% over stock sound level when used with our Roadster Sport mid-pipe.

Works great with stock mid-pipe or Roadster Sport Mid-pipe. Customers planning a header are encouraged to order special Header version of our SuperQ that adds additional resonator on inlet side to best cope with the raspy sounds unleashed by a header swap. Baffles retained by small hex bolt inserted from well under each tip.

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