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Racing Beat Sport Miata Exhaust Connecting Pipe for Miata 1990-1995
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Racing Beat Sport Miata Exhaust Connecting Pipe

1990-1995

PART NUMBER: 11-1008B

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Price: $139.50

Quantity:

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Free shipping offers apply only to destinations within US Lower 48.

Price: $139.50

Quantity:

FREE SHIPPING

Free shipping offers apply only to destinations within US Lower 48.

DESCRIPTION

For Miata owners that prefer a more aggressive sounding and lighter weight exhaust system, the Sport Connecting Pipe can be used with our Power Pulse Muffler. Unlike the connecting pipe that that is intended to accompany the Power Pulse Muffler, the Sport Connecting Pipe is NOT equipped with a presilencer. Produced from 2.375" OD 304-stainless steel, this connecting pipe will offer years of performance driving.

Many people ask just how much louder the Sport Pipe is as compared to the Power Pulse Connecting Pipe. For comparison purposes, we undertook a series of decibel readings to record the sound level outputs.

Test Parameter

We used our 1990 RB Miata (1.6 liter) in this test. The car is equipped with a High Flow Intake, Racing Beat 4:1 Header, and Power Pulse muffler. The different connecting pipes were installed and the car was lowered to the ground prior to testing. Using a handheld decibel meter, a sound level measurement was taken at a 45 degree angle, approximately 18" away from the muffler tip, The measurements are as follows:


Power Pulse Pipe (with presilencer)
Idle: 74db
3000 RPM: 82 db
5000 RPM: 87 db

Sport Pipe (without presilencer)
Idle: 75db
3000 RPM: 89 db
5000 RPM: 92 db

(Legal limit for California is 95 db.)

Next, the Racing Beat sales staff drove the car to obtain subjective opinions on the sound quality of the Sport Pipe configured exhaust.

Evaluation: We were quite surprised with the sound output of this Sport Pipe! Quite frankly we were expecting to hear a harsh, buzzy tone without a presilencer, but this was not the case. Although the sound seemed to increase sharply at 3000 RPM, it was NOT harsh or buzzy but retained the deep, throaty tone that was similar to the resonated connecting pipe. Even though it was louder, we all agreed that the sound was "streetable" and still retained the sound quality of the Power Pulse system. Conclusion: A lighter weight alternative to the resonated connecting pipe, the Sport Pipe offers a modest sound level increase over the Power Pulse Pipe, but in our opinion this pipe is adequate for street or track use.

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Customer Reviews

Racing Beat Sport Miata Exhaust Connecting Pipe

My car already had a Power Pulse muffler and the conventional connecting pipe with pre-silencer, but as many have noted, the increase in sound over the stock configuration was so modest as to be somewhat disappointing. Mind you, I do appreciate a more "adult" exhaust note (especially as I happen to be of a certain vintage myself) but I always felt that a little more growl would make for more driving enjoyment. This is my third Miata since the original base model I bought in 1990, and I've been trying to recapture something similar to the memorable exhaust notes of the MGB's and Triumph TR3's of my distant youth ever since (but no longer even dreaming of reproducing anything as heavenly as the incomparable song of my long lost big Healy with the straight six). So far I've had limited success.

However, this sport connecting pipe with the Power Pulse muffler is, in my opinion, probably about the best you can get. It sounds only slightly louder and deeper than the conventional pipe with resonator, but the improvement is definitely there, especially when you put your foot in it. If I'd known how mellow the sound increase produced by this pipe would be I would have purchased one of these in the first place. It still doesn't quite reproduce the inimitable howl of a classic British roadster, but it's close enough. And the quality of Racing Beat products is truly first-class.

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