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Thread: Phase 9 mufflers

  1. 01-29-2020, 10:20 AM #1
    Jim Becker
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    Phase 9 mufflers

    The Phase 9 muffler is the product of hours of engineering by automotive designer and engineer William Beekhius; hours of dynamometer testing by Porsche engine specialist Jerry Woods, and final design, fabrication, and packaging by Pete Weber. This muffler allows 914-6 and 911's to race within sound levels permitted by the SCCA with minuscule loss of power versus open headers. And let's face it, there is nothing more disappointing on race day than getting a mechanical black flag for noise! Can be used on street cars for great sound with good noise reduction. These slightly used Phase 9 mufflers dimensions are as follows. 21 1/4" length, 2" ID inlet, 2 1/8" ID outlet, 3 1/8" center to center mounting flange holes, 4" long flanged extension pieces [if needed] Will bolt to headers or heat exchangers. $450. for all the pieces + shipping + any transfer fees. Best to contact me by email. m71911@aol.com
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  2. 01-29-2020, 07:02 PM #2
    72targa
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    Very cool...GLWS
    Peter Kane

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  3. 02-06-2020, 09:26 AM #3
    Jim Becker
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    BUMP still for sale
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  4. 02-09-2020, 05:34 AM #4
    Jim Becker
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    The mufflers are SOLD. Thanks too all that viewed and responded.
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