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Header, Exhaust, Muffler Recommendation? #1337130
11/18/12 12:15 PM
11/18/12 12:15 PM
Joined: Jul 2004
Posts: 115
Tampa Bay
BadFishy Offline OP
member
BadFishy  Offline OP
member

Joined: Jul 2004
Posts: 115
Tampa Bay
Hi Gentlemen, I will be swapping out my 71 Cuda's exhaust system and want some feedback / recommendation on what I am thinking. This car does not see any track time, but I also do not want to be embarrassed by some Mustang street rat. I am looking for a performance boost and a more aggressive sound. Currently there is no drone while cruising and I want to keep it that way.

3 Questions: Header size? Exhaust size? (going with TTI on both) Which Dynomax Muffler?

440, 0.30 over
452 heads, 3 angle valve job, no porting, stock valvetrain
9.7:1
600 CFM Edelbrock Performer Carb
RPM Performer Dual Plane
SpeedPro Cam #CS-1148 224/224 duration @ .050 lift, 455 int/455 exh, 112 C/L
Factory HP manifolds
Dual 2 exhaust all the way, Dynomax Ultraflows, H-Pipe, factory 1 Cuda tips
727 auto trans, TCI Breakaway converter
8 rear, 355 gears

Thinking of 1 headers, 2.5 exhaust, 2 Dynomax Ultraflows, X-Pipe, 2 Cuda tips.

Your thoughts?

What about keeping the current exhaust, but going with the headers and swapping the tips to a larger size?

What if I had the Edelbrock Performer RPM Heads? Would that change your recommendation?

Thanks All!


1971 Cuda, 440 custom-build
Re: Header, Exhaust, Muffler Recommendation? [Re: BadFishy] #1337131
11/18/12 12:36 PM
11/18/12 12:36 PM
Joined: Jan 2012
Posts: 1,648
Harm City Md.
Dan Halen Offline
top fuel
Dan Halen  Offline
top fuel

Joined: Jan 2012
Posts: 1,648
Harm City Md.
What you have in mind sounds good to me, It's basically what I have

for my Challenger with a 451/Edelbrock heads. That 600 carb is your problem with those

Rustangs.

Re: Header, Exhaust, Muffler Recommendation? [Re: BadFishy] #1337132
11/18/12 02:49 PM
11/18/12 02:49 PM
Joined: Apr 2005
Posts: 15,134
Kelowna, B.C. Canada
D
DPelletier Offline
I Live Here
DPelletier  Offline
I Live Here
D

Joined: Apr 2005
Posts: 15,134
Kelowna, B.C. Canada
Sounds like you have a good plan


1970 Super Bee 440 Six Pack 1974 'Cuda 2008 Ram 3500 Diesel 2006 Ram 3500 Diesel 2004.5 Ram 2500 Diesel 2003 Ram 3500 Diesel 2006 Durango Limited [url] http://1970superbee.piczo.com [/url]
Re: Header, Exhaust, Muffler Recommendation? [Re: BadFishy] #1337133
11/19/12 01:24 AM
11/19/12 01:24 AM
Joined: Oct 2004
Posts: 6
J
jstforfunn Offline
member
jstforfunn  Offline
member
J

Joined: Oct 2004
Posts: 6
I if it were me I would go to a bigger carb, and Hooker Supercomp coates headers seem to always work best for me.

Re: Header, Exhaust, Muffler Recommendation? [Re: BadFishy] #1337134
11/19/12 04:08 AM
11/19/12 04:08 AM
Joined: Aug 2003
Posts: 39,019
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 39,019
Bend,OR USA
I would step up to three inch pipes and muffs all the way from the headers, same on the tips I would also look at aquiring a Holley 950 HP, if you want to make sure you can whup up on all the locals rustangs, not the real fast oone though


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)






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