Quote:
Originally Posted by Mark IV
The carb'ed MK IVs had the "cheater duals" that exited via twin pipes, this was because we piggybacked on the Mustang 5.0 certification and that had a similar system. When we went to EFI engines the exhaust went to the full dual system with four catalytic convertors, again cribbed form the Mustang. So a MK IV with factory carb has twin outlets on one side, EFI cars have a single on each side.
The resonator changes the tone of the exhaust. You can remove it but may not like the raspy sound.
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Thanks much for the quick responses....So the box inside of the passenger side rear wheel is indeed the resonator? I do not have as much ground clearance as I would like with the 4" round glass pack style muffler.....i think i am going to go to spintechmufflers.com and have a flat style muffler built that will not extend below the frame rails..i could even have one built with two inlets and two exhausts for pure duals.... Even now with no catalytic converter, but with headers, even while exiting the muffler through one large pipe (until it splits into two after the resonator) actually seems to flow rather openly....i do not mind it somewhat loud....but not too loud. Given my car is carbureted, a relatively open exhaust does help the little 302 run better....and certainly if the motor gets any other modifications. What would you do? You are the expert as to MK IV's!!
Best,
Brad