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post #7 of (permalink) Old Aug 3rd, 19, 8:38 PM
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Re: 1970 Pontiac GTO Estimate

There was a really rare VOE, vacuum operated exhaust option on some early 70 GTO’s but GM cancelled that option quite early. There’s even an old promo commercial marketing the very feature. Believe it opened up a chamber on the mufflers for a raspy note?

Here’s the old commercial....found it!


64 El Camino Pro street, 496, T-400, 9" 3.73

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