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Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020

Item #: 61-1787
Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020
Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020
Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020
Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020
Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020
Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020
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Mazda MX-5 Miata RoadsterSport SUPER STREET 2016-2020

Stainless Steel PREMIUM ADJUSTABLE MX5 Miata Exhaust

Helmholtz Chamber Design Means All the FUN, without the DRONE

Under 14 pounds!

WHY: Because You want to have fun! HOW: Helmholtz Technology in a Miata Muffler for the First Time! WHAT: A 2016+ Miata Muffler that you can control, throaty burble fun when you want it with wide open the throttle, and super mild when you want to just cruise.

This is a heavily modified version of our all helmholtz Race muffler that adds an ultra efficient high density resonator before the tip to lower the volume significantly while keeping the fun burble and playful character of our Race muffler. We also dress it up with a unique ultra light version of our 3.5 inch RoadsterSport rolled tip pictured below to finish the look for our street customers wanting something more luxuriously finished than the aggressively lightweight Race muffler:

Result is a 13.9 pound wonder of a street muffler, you get the great look of the RoadsterSport 3.5 rolled tip, the clean flow of 2.5 inches of pipe from start to finish with smooth mandrel bends on the shortest possible path from the midpipe to the exhaust cutout to max your horsepower gains...and minimal weight with these features.

How did we do it? We outfitted our 2016 with a computer and sound analyzer and microphones and drove it under varying conditions and loads with and without muffler. We then use that data and some special software to calculate the particulars of the Helmholtz chamber to precisely knock down the frequencies we do not want to hear in the car while allowing the good throaty burble fun sounds to pass through. In brief, FUN when you want it, and super mild when just cruising. All this in a muffler under 14 pounds, a nice savings over the 20.5 pound factory muffler.

SHIPPING NOTE...ships factory direct to you. All POLISHED stainless steel construction. Uses stock hangers and connects to either our RoadsterSport midpipe or the stock midpipe.

The SOUND level is Adjustable by YOU, includes removeable cone baffle insert in the tip that helps YOU select final sound level, baffle in for reduced sound level, and baffle out for more sound...and just one bolt under the tip to make the easy change. Optional packed baffle cuts the sound even more if you want...but most won't!

Proudly made in the USA...with a LIFETIME WARRANY!

APPLICATION NOTES: Mild when cruising on otherwise stock ND, delivering a classic sports car BARK and THROATY RUMBLE when you wind it out to redline, lots of fun burble when just playing with the throttle around town. Result is TONS of fun, will make many of you laugh out loud. You also get the best performance from the straightest and cleanest flow out the exhaust cutout you can get, and much lower weight. Nonetheless, this choice is NOT for the faint of heart!!! The most common question we will get on this one is: "will it be too loud" and we cannot answer that one for you because the "right" sound level is a matter of entirely subjective personal preference. However, if our RoadsterSport SuperQ is 10 to 15% more sound than stock (depending on use of removable baffle), and our ND RACE is a full 50 to 55% more sound than stock when on throttle, and this ND STREET is the middle choice at about 35% over stock sound level when on throttle hard, though perhaps just 15% over stock when cruising home in high gear and low rpms.

INSTALL NOTES: Installation of this Miata exhaust is SUPER EASY...just two 14mm bolts to loosen! When you open the big box you will find separate foam wrap on the exhaust tip, leave that foam around the tip during your install to protect the polished tips and your car's soft plastic in the exhaust cutout. Use gloves. Note the 'bolts' from the factory are actually studs with springs and nuts and the factory usually jams the nuts on so hard that unbolting it will bring the stud out too. If that does not happen then use 13mm long socket to unscrew the studs (or use jam nut technique where both nuts are put on one stud against each other and then wrench used on the inner of the two to back out the stud). Then lube up the stock exhaust hangers with dish soap and yank stock muffler back and forth to work the soap into the rubber hangers and then the muffler will slide off those rubber hangers easily. Then hang the new muffler on the wet and soapy rubber hangers and torque 'bolts' with the springs back in place to 30ft/lbs. Now you can remove foam tip wrap. Option to remove the baffle too, to do so loosen bolt that holds it from under the exhaust tip and use it as handle to shake the baffle loose and then unscrew bolt the rest of the way and pull the baffle (pulling baffle raises the sound slightly). Note the muffler to midpipe joint is a ball socket connection for the first time on a Miata, it is designed to move a lot, so please do not add sealants that will gum up that dry ball socket joint.

Retail Price: $545.99
$498.00
You Save $ 47.99

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