Good-Win Racing Mazda Performance Parts

COMPLETE Cat-Back RoadsterSport 3 Miata Polished Stainless Steel Exhaust for 90-97

1990-1997

Miata 1990-2005 · Exhaust · Mufflers


Part Number: 61-0171

Application: 1990-1997

Price: $439.00

Quantity:

COMPLETE Cat-Back RoadsterSport 3 Miata Polished Stainless Steel Exhaust for 90-97
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The RoadsterSport exhaust for 90-97 Miatas is our best seller, now in its third generation! Includes the connecting pipe!

To make this third generation we took the RoadsterSport 3 features of our 99-05 application design and applied them to a complete redesign of our exhaust for 90-97 Miatas. Proper Sports Car sound with a deep mellow tone at cruise and a vintage bark when you put your foot into it....our favorite Miata exhaust choice. Smooth perforated core and smooth bends for max power (see dyno below). Muffler section is 14 pounds...and included connecting pipe is 4.8 pounds (that's 7-12lbs less weight than most other choices).

This Miata exhaust is the ONLY 90-97 Miata exhaust with adjustable sound! Includes fresh stainless nuts, bolts and gasket to complete your install. Includes our unique removable baffle cone tips so YOU are in control of the sound level and can adjust for extra sporty or calm it down to mellow for longer trips.

ALL STAINLESS STEEL and lifetime warranty! INCLUDES COMPLETE MIDPIPE section so that it this is a COMPLETE BOLT ON solution from your converter flange back. Built in solid 304 stainless steel and completely polished to a mirror finish, this premium Miata exhaust is our only choice that incorporates a baffle insert that gives YOU control over the final sound level (baffle in is about 15% more sound than stock, baffle out is about 25% more sound than stock...so you always have a choice for those longer trips). And, you always have the additional option of our packed baffle to calm it down even more, which are sold here separately on this website....for a total of THREE different sound levels from the same exhaust. With an ear pleasing exhaust note, great price and easy installation this Miata exhaust is a great beginning for Miata performance modifications.


BRIAN'S APPLICATION NOTES. Includes the midpipe which is a separate cost item with some of our other choices (Racing Beat). The slightly larger tubing of the RoadsterSport Miata muffler means a slightly deeper tone and a little more burble on decel than the factory exhaust, 2.25 inch tube size all the way and finished with 3 inch tip, SMOOTH bends, straight through SMOOTH perforated core design for maximum horsepower.

This Miata muffler carries a LIFETIME WARRANTY, built from all polished stainless steel and is made with pride in the USA. See dyno work on this exhaust below!

DYNO Graph and Video Sound Files below.... MORE at our Exhaust Blog!

UPDATE 2012...NOW WITH ROLLED TIP.

*** Product images may differ from actual product appearance ***

REVIEWS

After reading many other positive reviews on both the GWR and Miata forums I finally decided to buy this product. My main concern for many months was whether or not I was up to the task of installing the header. But with the excellent instructions on Brian's forum as well as several Miata forum threads it turned out easier than I expected. After receiving notice that the header would arrive on a Friday afternoon, I began the disassembly process. After about 3 hours I had the stock manifold out. Later that afternoon the new catted header arrived right on schedule. And it is a thing of beauty. I opted for the stainless version. Installation on Saturday morning took another 3 hours, although I could have shaved some time off of that but I was actually enjoying the process of double checking torque values and cleaning up my engine compartment. I already have the GWR catted midpipe, so that connection was a snap. I put everything back together, reconnected my battery, and went for a drive. NO CODES! Nice throaty sound with my RSII muffler, and a significant boost in power and low/mid torque. Another happy camper here. I since have added a M-E tune and I feel I have realized all of the gains that Brian has achieved on his 2012 project Miata. I've put several hundred miles on my Miata since the install with zero problems. This is the car that Mazda should have built all along. Thanks Brian.

-- Ron P.

Roadstersport II was a great purchase, easy install, and sounds great.

-- Denny

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