rear valance exhaust cutouts
#1
Hi Guys, I own a 1971 Mach 1 and presently the exhaust exits underneath the rear valance with turn downs. I really like the look of the valance that has the exhaust cutouts and the exhaust coming straight through. Was this an optional item on a 1971 Mach? Was it included as a certain package or a certain engine size? I would like to put it on my Mach but if it could not have been ordered that way from the factory, I would not do it.
Thanks,
Mike
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#2
The rear valance you speak of, SCo_hmmthink I believe it came anytime the vehicle was ordered with dual exhaust from the factory. I don't believe it was regulated to any one certain engine, just dual exhaust. Anybody else know more?
JTS 71 Mach1
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#3
(02-24-2011, 12:25 PM)JTS71 Mach1 Wrote: The rear valance you speak of, SCo_hmmthink I believe it came anytime the vehicle was ordered with dual exhaust from the factory. I don't believe it was regulated to any one certain engine, just dual exhaust. Anybody else know more?
JTS 71 Mach1

I'm pretty sure you are correct on that one. Those panels are available; I think there under a $100 if you shop around.
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#4
1971-1973 Mustang Rear Valance-W/Exhaust Cutouts [D1ZZ-6540544-BR]
Here's an example. Not necessarily promoting this vendor.
Price: $69.70 Each

http://www.trophymustang.com/197173-rear...-4486.html

   
I believe this rear valance was a dealer add on with the front spoiler and the rear deck spoiler on 71-73 Mach 1's.
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#5
The rear valance panel with dual cutouts was factory-installed on mach-1's only, and then, only if the vehicle had 351-4V, or 429 engine. Mach-1's with 302-2V, and 351-2V came from the factory with a single exhaust and standard valance. Non-mach-1 mustangs factory-equipped with 351-4V and 429 engines came with dual exhausts, but had the standard valance and tailpipes with turn-downs. Boss 351 cars also came with the standard valance and turn-down tailpipes. The dual cutout valances look cool and most guys use them when they install a dual system.
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#6
(02-24-2011, 03:59 PM)gxr02190 Wrote: The rear valance panel with dual cutouts was factory-installed on mach-1's only, and then, only if the vehicle had 351-4V, or 429 engine. Mach-1's with 302-2V, and 351-2V came from the factory with a single exhaust and standard valance. Non-mach-1 mustangs factory-equipped with 351-4V and 429 engines came with dual exhausts, but had the standard valance and tailpipes with turn-downs. Boss 351 cars also came with the standard valance and turn-down tailpipes. The dual cutout valances look cool and most guys use them when they install a dual system.

This is correct for 71 and 72. 73 351 4 v cars had turn downs
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#7
Great information!
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