Ive got 1 3/4 LTs, 3" X-pipe, and 4X9 3 inch Magnaflows. Has a nice throaty deep idle, very, very quite at cruise ( 2200-2600 rpms ) and loud as heck when I stomp on it. When I changed over to my current exhaust set up, I picked up a little over 4mph in the 1/4.
X pipes, h pipes and dual exhaust have a huge advantage over a single setup. Look at every high end, high power cars and even race cars. There is a reason they run dual exhaust
If thats the case then lets hear a good explanation of how the dual, x and h are better than headers with well designed y pipe and properly sized tail pipe.
I think the whole dual exhaust thing is all looks, sound, vanity, ego....nothing to do with performance. I have gone both ways with my cars in the past and never noticed a difference other than cost, weight, ease of installation with the single exhaust winning in each catagory.
We are also talking about NA engines since there was no mention of turbo, sc etc.
Lets see here. First an x pipe with dual exhaust helps with port velocity which helps with exhaust flow. Also to match a properly setup 3" dual exhaust setup you would have to run a full 6" single exhaust from headers back to equal the flow. I would love to see that done lol
If thats the case then lets hear a good explanation of how the dual, x and h (with headers) are better than headers with well designed y pipe and properly sized tail pipe (single).
Lets hear your explanation. I am not very optimistic given that you think it takes a single 6 to match a dual 3. But, lets hear it.
I think that has more to do with your choice of muffler. My last set up was the typical H-pipe and flowmasters. The drone was pretty bad. I have zero drone with my current exhaust system.
This topic is a never ending story. If you skip the sound topic and focus on the performance side your probably looking at 20-hp max on different mid-pipes, mufflers, step-headers. Also the exact placement of the mid-pipe is critical. The bottom line is you would have to experiment at the track since every application is different. This means multiple mufflers, mid-pipes just to get the 10hp-20hp. I think thats why the sound factor seems more important today. Good luck !!
here is a quick link. and yes I know I was exaggerating with the 6" single setup.
So to match a dual 3' setup you would need a single exhaust that flows approx 747 cfm. To do that you would need to run a 4.25" exhaust from the header back but other variables come into play such as terminal velocity as well as back pressure, etc.
Just put a giant truck muffler on it while your at it....:rofl: that would be the only way a single 3" would work and it would be halfassness as hell:rofl:
When you say "stroker" I assume you are talking about a 347.
Not all 347s are created equal. Single 3" may not be enough for SOME strokers, but I say it depends on what max RPM is for said stroker, what the power band is for said stroker etc.
Yeah I didn't think so. All of you kids are leaving lots of power on the table because you don't have dual intakes. What's the point of dual exhaust without dual intakes? Do you know how huge your single intake pipe would need to be to equal the performance of dual intake pipes?
Dual intake pipes, get some or your ride is a joke.
To the O.P. An X or a prochamber. Either will make power, if the chamber/crossover is in the correct location. I think prochambers sound better but taste is taste.
Ummm seriously.... pro-m 92, 4" AFM N/a powerpipe, 90mm tb is plenty tfs R Box is pretty hard to beat 1& 3/4/ 3" all the way is hard to beat now a days bro.
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