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UPDATE May 2017, we now include a Mixing baffle that effectively converts this muffler to same sound as the Race muffler, adding back in the higher frequencies the chamber would otherwise convert lower (to cover the costs of adding that blocking baffle we are ending the RoadsterSport script on the tips). Result is more choice and control over the result than any other choice.
Separately on the site is a fiber packed long baffle that effectively converts this unit to same frequency balance as the SuperStreet Single Tip. Thus, now essentially THREE mufflers in one here, the Race with included Mixing baffle, the SuperStreet Single tip if you add packed long baffle (item 60-1325SSTT), or skip the long baffles and use standard length baffles in one or both tips (item 60-1324T) to keep the bass heavy frequency balance but lower the volume. Result is a 17 pound street muffler with MORE flexibility than all other choices.
You get the great look of the RoadsterSport rolled and polished twin tips, the clean flow of the shortest possible path from the midpipe to the exhaust tips to max your horsepower gains, unprecedented level of user adjustment...and minimal weight with these features.
What the baffles add is much more ability to tune the frequency balance of that result. Left rear tip pathway is essentially a straight through and adding Mixing Baffle or long baffles to driver's side tip cuts off the chamber and massively lowers the bass notes and raises the upper frequency response, etc.
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.
Just one bolt under each tip to make the baffle easy change. Sold separate are standard length optional packed baffles that cut the sound a little more if you want (and 60-1325SSTT long packed baffle that bypasses muffler chamber like the included long blocking baffle but with packing to reduce volume and simulate the frequency balance of Single Tip SuperStreet).
Proudly made in the USA...with a LIFETIME WARRANTY, emissions legal in all 50 states!
NOTE we have report this does NOT clear our harddog hidden hitch or Velox rear diffusser!
BRIAN'S 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, I suggest starting with baffles removed). 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.
INTERNATIONAL SHIPPING NOTES: We only ship to USA and Canada but we do have dealers outside the USA. CUSTOMERS IN EUROPE CAN GET THESE IN EUROPE AT THIS LINK!CUSTOMERS IN Australia CAN NOW GET THESE AT THIS LINK!