F-body Dual Exaust


Super GRK_Taz World

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This is always such an issue I decided to put all the info I could find on one page. Props to Unstable Bob -----> DominBob.jpg (32593 bytes) for getting me most of the links.

Here's a chart of all with all the links. Have any more links?  Let me know

Site

Mirror Rating of System "True" Duals Worth It? Comments
Site Number 1 Mirror 1 **** Yes Yes Wow!

Site Number 2

"copyrighted" *** Yes Yes A for effort. Good idea for trimming the rear seat wells to fit better mufflers.
Site Number 3 Mirror 3 ** No No That's dual exaust not "true" dual exaust.

Site Number 4

N/A yet * Yes No Glasspacks??!! That's a baaad monkey!
Site Number 5 N/A yet * No No Again, that's dual exaust not "true" dual exaust.
Site Number 6 N/A yet **** Yes Yes Kick Ass!

Site Number 7

Mirror 7 *** No 50/50

Ugly, but looks effective

Site Number 8 N/A yet **** Yes Yes

Looks like it hangs too low.

Site Number 9

N/A yet *** No Yes Best clearance for dual 3"

Site Number 10

"copyrighted" ***½ Yes No $3000 for exaust?!! a Mufflex single 4" is almost 1/7 of that!!

I will mirror all these site when I have time since webpages change or disappear occasionaly. If any  are legally copyrighted (yea right) I won't put up a mirror until the orginal disappears.


undercarriage-after-removal-of-strange12b.jpg (98300 bytes)


Alternatives:


Do 3rd and 4thgens really need dual exaust when making big power? My answer is no. There are plenty of less expensive and just as efficient systems out there, some even more efficient than duals.  Most enthusiasts agree that a single 3" system is good till 450hp. I've heard that going bigger than 3" might gain you as much as 20hp. Is it worth buying another system? If you're in that power range money shouldn't be an issue.

Exaust Pipe Sizes Single Vs. Dual
Single Pipe Area in sq. in. Dual Pipes Area in sq. in.
Single 2.0" 12.5664    
Single 2.25" 15.9043    
Single 2.5" 19.6350    
Single 2.75" 23.7583 Dual 2.0" 25.1327
Single 3.0" 28.2743 Dual 2.25" 31.8086
Single 3.5" 38.4845 Dual 2.5" 39.2699
Single 4.0" 50.2655    
**Single 4.25" 56.7450 Dual 3.0" 56.5487

*

**Not avalible, size just for comparison

Set up Options:


You can see all the ways people did their systems. Here's my idea to fit duals under our cramped 3rd and 4th gens:

low-dual-68.jpg (35647 bytes)

I scanned this from a mag that showed how to put Flowmaster dual exaust on a slammed first generation Camaro. They used shorty headers and a single rear transverse flowmaster next to the rear axle instead of dual mufflers underneath.

Some techniques like the shorty headers and the transverse muffler could be applied to the 3rd an 4th generation f-body too.

 


Super GRK_Taz World

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What do you think?


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