true dual exhaust
#1
8th Gear
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true dual exhaust
Has anyone ever thought of installing a true custom dual exhaust system? My experience with cars leads me to think that it would be at least a 20% improvement in HP and torque. And the system would be a lot cheaper than the 400-700 dollars some companies are charging.
Any thoughts?
Any thoughts?
#3
Burning Brakes
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20%? mabye with a american car, the comptech exhaust only gets you about 2 hp, we already have a "high flow" exhaust. 20% is 52 hp, people are paying $4k for the supercharger for 50 hp.
#4
ChairmanMaoSaysRTFM
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Re: true dual exhaust
Originally posted by Miami Magna
Has anyone ever thought of installing a true custom dual exhaust system? My experience with cars leads me to think that it would be at least a 20% improvement in HP and torque. And the system would be a lot cheaper than the 400-700 dollars some companies are charging.
Any thoughts?
Has anyone ever thought of installing a true custom dual exhaust system? My experience with cars leads me to think that it would be at least a 20% improvement in HP and torque. And the system would be a lot cheaper than the 400-700 dollars some companies are charging.
Any thoughts?
#5
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Our exhaust is really pretty good stock, unless you had headers, intake supercharger...then maybe upgrade.
Also, our cars just dont produce as much exhaust as a big V8 would. Therefore, a true dual exhaust would really help a V8 not a smaller V6.
Also, our cars just dont produce as much exhaust as a big V8 would. Therefore, a true dual exhaust would really help a V8 not a smaller V6.
#6
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A true dual exhaust system would benefit a "v" engine, even a v4, if such a thing exsisted in the automotive world. I know that Acura/Honda already does a good job with their exhaust design. (I learned this with an older Prelude I had when I made the mistake of replacing a good, stock exhaust manifold with a cheap header. ) I was just curious if anyone here had tried it on their TL. Given the fact that we have a 2 into 1 into 2, a true dual could only improve exhaust flow and consequently, horsepower. Of course some thought would have to go into the design, i.e pipe diameter, type of mufflers, etc. But it would definately (this is going on what dualies do for other cars irregardless of make) improve things. I'd say that 15% would be a realistic figure. That equates to about 30 horses, which is leaps and bounds better than anything out there now.
Just curious if anybody had done any preliminary work....
Just curious if anybody had done any preliminary work....
#7
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honestly I respect your info and opinion, but if a 30 horse increase was possible...it would have been done a LONG time ago!!! People are going to such lengths as buying a supercharger for 4000 grand for like 40 or 50 horses. In other words, I dont believe that there is 30 horses tied up in our stock exhaust...just no way at all.
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#8
Burning Brakes
20% improvement would be 52hp. Two words-
Not possible.
I'm not sure there's much to be gained from a true dual. Then you'd have to play with crossover/X-pipe distance, figure the packaging. The stock system is pretty decent as is, for the engine size.
Perhaps a larger intermediate pipe? Who knows. I have another car that I play with, not this one.
Not possible.
I'm not sure there's much to be gained from a true dual. Then you'd have to play with crossover/X-pipe distance, figure the packaging. The stock system is pretty decent as is, for the engine size.
Perhaps a larger intermediate pipe? Who knows. I have another car that I play with, not this one.
#10
DUAL EXHAUST = MORE RESTRICTION
I would go w/ single exhaust and bigger piping ( 2.75 inch ). This would give you more HP if any lol...
I knew one guy w/ comptech headers, cai, and single exhaust... pretty fast. He claimed better "low end"
I would go w/ single exhaust and bigger piping ( 2.75 inch ). This would give you more HP if any lol...
I knew one guy w/ comptech headers, cai, and single exhaust... pretty fast. He claimed better "low end"
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#11
When I had my 94' Talon ES (non-turbo) all I did after adding a Borla cat-back was match port the stock cast iron exhaust manifold. It made a little difference in power and added (with other mods) to a highway mpg of 42 when the window sticker said 29mpg.
#13
Burning Brakes
This has been done on the original J series engine, which is the 6th gen V6 Accord, J30A1. Some guy down in Texas. It made the engine run really rough, and "out of sync". The stock ECU isn't tuned for it and certainly not the stock exhaust manifold or aftermarket headers. And getting 20% of extra output out of an N/A engine by modifying exhaust is just out of this world... not possible. Unless you are running a turbo or supercharger.
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No way man...
If there was a way to get 20% increase in HP at the tires by simply changing up our exhaust, it already would have been done by the good people at Honda. You will be lucky to get 10% more HP. Look to get 5-7 % or about 10-13 HP at the tires... I plan on going this weekend to look into getting this done. It should be fairly inexpensive.
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