Re: Vacuum operated Muffler
Join Date: Aug 2007
Location: Lantana, Republic of Texas
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Re: Vacuum operated Muffler
I saw a muffler today that was incredible! My friend just brought home a new 2008 Corvette with the option exhaust. There are two mufflers sitting side by side with four stainless tips (two on each muffler). I would love to use just one of these mufflers on my Crossfire. Under normal driving exhaust comes from one tip but when the vacuum drops a butterfly inside the other tip open for a straight through exhaust with a roar. Has anyone seen this type of muffler available in the aftermarket?
Re: Vacuum operated Muffler
my '06 bmw 330i has the similar butterfly valve in the muffler ... it opens on one side under full throttle (wot).
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but i haven't seen anything in the aftermarket world.
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but i haven't seen anything in the aftermarket world.
Join Date: Aug 2007
Location: Lantana, Republic of Texas
Age: 65
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Re: Vacuum operated Muffler
After seeing it in action on the Corvette I thought is as a nice way to have a nice civilized sound and then be able to uncork it when needed. It would seem like you could keep some low end torque/back pressure, but then gain top end when the system opens up. I did some checking and can't seem to find any use by Asian ricers. Just German cars, the Corvette, and GTO's from the late 60's.
Re: Vacuum operated Muffler
My stock '92 Dodge Stealth RT Twin Turbo has manually active exhaust, just a push of a button and I can change the tone of the exhaust from loud to quiet, it also has a butterfly inside the exhaust pipes...very cool... It also has active suspension, a push of another button and I change the suspension from soft (tour) to stiff (sport)...
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