4 cyl paired-runner exhaust manifold runner length

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08-23-2007, 03:40 AM

#11

junkyg20

0.5 BAR

Join Date: Nov 2006

Posts: 69

Re: 4 cyl paired-runner exhaust manifold runner length

Won't unequal runners also make it sound substantially better?

08-23-2007, 09:27 AM

#12

BLAAST

1.5 BAR

Join Date: Oct 2004

Posts: 877

Re: 4 cyl paired-runner exhaust manifold runner length

oh yes it does change the sounds a lot !!!
I don't know the exact recipe to replicate that but the way the runners are paired on my focus, it sounds like a subaru with all cats removed.... at least my GF likes it!

example1
example2
example3

08-23-2007, 10:48 AM

#13

Hitchhikkr

3.0 BAR

Join Date: Oct 2006

Posts: 2,330

Re: 4 cyl paired-runner exhaust manifold runner length

Read this....

http://forum.pgmfi.org/viewtopic.php?t=5148&highlight=

08-23-2007, 11:39 AM

#14

Tom-Guy

0.0 BAR

Join Date: Feb 2003

Posts: 0

Re: 4 cyl paired-runner exhaust manifold runner length

What a load of crap, Rob. Where do you dredge up these things?

08-23-2007, 11:51 AM

#15

Hitchhikkr

3.0 BAR

Join Date: Oct 2006

Posts: 2,330

Re: 4 cyl paired-runner exhaust manifold runner length

Quote:

Originally Posted by Joseph Davis

What a load of crap, Rob. Where do you dredge up these things?

The Swiss. They're the Gay Germans.

08-24-2007, 08:55 AM

#16

BLAAST

1.5 BAR

Join Date: Oct 2004

Posts: 877

Re: 4 cyl paired-runner exhaust manifold runner length

Quote:

Originally Posted by Hitchhikkr

Read this....

http://forum.pgmfi.org/viewtopic.php?t=5148&highlight=

Oh yes. a very informative thread that I am sure influenced a lot of people. (including myself!!)
there's so much remaining to be tested in manifold design...