Quote:
Originally Posted by -=Jeff=-
Sorry to bring up an older thread, but I had a question for you Bob (WARP TEN). I know you have done more research on exhaust system than any of us. So would location of the resonator effect anything? meaning what if it was moved back to allow a pair of cats at the beginning of the tunnel? specifically with an OEM exhaust, for conversation sake.. 1990/91 exhaust, 93- newer resonator/ C6 Z06 Cats, I know the cats will fit side by side in the tunnel, I have done the bullets in the tunnel on another C4
Just thinking 'out loud'
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Hi Jeff--
Never a problem to bring up an old thread. I think it is great to occasionally review some of the info we have gleaned from our ownership of ZR-1s over the years. As to where you position the resonator, I don't believe that it matters at all where in the system it is located; it attenuates the offending frequencies no mater where it is. In fact, the only items that are location sensitive are the catalytic converters, as they need to get very hot to function properly so they need to be as close as possible to the fire in the cylinders.
The only other exhaust system component location discussion I have had has come up about cutouts. Marc and I have a little debate about where to locate cutouts on an exhaust system, with him favoring a straight shot right before the pipes bend in front of the tire carrier, thereby eliminating the spare and carrier. (The picture on his web page shows this location). I favor the Tony Davila approach of right in front of the rear mufflers, coming off at a right angle, to preserve the spare tire and carrier. (Pictures of mine in my albums section). I think we both agree that once the exhaust gets back to the mufflers, with cutouts open (even at 90 degrees) plus the mufflers flowing any remaining exhaust that doesn't go out the cutouts, there is little performance difference between the two locations. --Bob