Active exhaust?

Modshack · 08-15-2009, 09:30 AM

Quote:

Originally Posted by kdoske

just install some cutoffs for a couple hundred bucks and be done with it. Honestly though these type of systems are really only beneficial on cars with Forced Induction...

You're right. The new electric cut-outs are pretty reasonable and there's a natural place to mount them on the Z.

Actually these Valved exhaust systems work very well on NA cars. I had the "NPP" factory valved exhaust on my Vette and it was pretty awesome and made more horsepower. It actually routed the exhaust straight through the muffler when open. The one mentioned on the 3.2 Audi is not quite as refined and used primarily for meeting noise restrictions..

DAN1 · 08-15-2009, 11:52 AM

I'd recommend contacting Apex'i USA for the request for this type of exhaust. They already have the mufflers & technology to do it.

Apex'i PS Revolution mufflers, Active Tail silencer, and Exhaust Control Valve (ECV). They used to have the electric version but due to limited demand in the USA they stopped selling as many.

Other technological options: AeroTurbine mufflers, Hooker AeroChamber mufflers, or electric cut-out valves from QuickTime Performance, Summit, Pypes, and Ready Race Performance.

Or.. just research the internal designs of the C6 corvette mufflers, Nissan variable flow mufflers, etc... and pickup one of those used.

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08-15-2009, 11:52 AM	#2 (permalink)
DAN1 Banned Join Date: Jun 2009 Location: Grand Prairie TX Posts: 17 Drives: Nissan Chevy Honda Rep Power: 0	I'd recommend contacting Apex'i USA for the request for this type of exhaust. They already have the mufflers & technology to do it. Apex'i PS Revolution mufflers, Active Tail silencer, and Exhaust Control Valve (ECV). They used to have the electric version but due to limited demand in the USA they stopped selling as many. Other technological options: AeroTurbine mufflers, Hooker AeroChamber mufflers, or electric cut-out valves from QuickTime Performance, Summit, Pypes, and Ready Race Performance. Or.. just research the internal designs of the C6 corvette mufflers, Nissan variable flow mufflers, etc... and pickup one of those used.