Super VXer
Just installed an Aero-turbine muffler. The performance gains are very noticeable. Sounds good too, very low tone when accelerating without excessive noise. I am going to check the effect on mileage. They make some very impressive claims:
http://www.aero-turbine.com/benefits/index.html
VXer in the Sky
1-6 hp - not bad but almost a third of the DYNOed HP improvement of the Powervault...too much flow is bad BTW.
Last edited by Tone : 03/31/2004 at 03:52 PM
Super VXer
Interesting. I like the sound clips and the claims. Of course, I'd go PV before anything else... but the PV's are gone, and options are needed!
VXer
Get it dyno'd! Inquiring minds want to know!
Formerly VxRaNgEr
Super VXer
I tend to be rather skeptical about all manufacturers' claims. However, if, as they claim, the Aero-Turbine muffler really is the only one on the market that actually increases flow more than a straight pipe with no muffler at all, then it would be hard to imagine any other one boosting performance more. Many variables affect HP measurements. Any mufflers that use internal baffles (like Flowmaster, etc.) necessarily restrict flow at least a little bit by their design. In any case, don't you think the converter would become the most restrictive link in the flow chain? Regardless, PV wasn't an option for us given the strictly enforced noise ordinances where we live.Originally posted by Tone
1-6 hp - not bad but almost a third of the HP improvement of the Powervault...
Super VXer
usally less restrictions is good...but u can over do it and instead lose proformance...
________
Vaporizer Video
Last edited by MZ-N10 : 09/05/2011 at 02:57 PM
Super VXer
Ditto on the Aero Turbine mufflers. The PV's were too loud and raspy for my taste. The HP gain seems modest, but certainly nothing was lost. The improvement in sound alone is worth the 200 bucks. I'm happy with my A-T swap. Just one knucklehead's opinion.......
Super VXer
Chopper, you had the PV and switched out?
The AT muffler looks a lot like the PV, there is that much of a difference in sound? I hear ya about the PV being a bit loud and raspy(at higher rpm's)....how did you compare the two before you put on the AT?
Draftsman of the dead
Super VXer
I was curious about this so I asked A-T. One of their engineers agreed that a small amount of backpressure is beneficial for low-end torque only. But said this wasn't an issue for street cars since converters produce backpressure. (Remember NASCAR racers shoot straight out their manifolds.) The flow benefits of the turbine kick in at the mid and high range. He says they intentionally kept the web info conservative, but that regardless of competitor's DYNOclaims, in side-by-side comparisons A-T's always out perform. If anyone has questions give them a call at 877-266-5356. Naturally every manufacturer is going to claim theirs is the best; but regardless of who is right about performance, those who want a less noisy exhaust might consider an A-T. (No, they are not paying me to post this stuff, just thought someone might want to know.)Originally posted by MZ-N10
usally less restrictions is good...but u can over do it and instead lose proformance...
Super VXer
No, I never heard the PVs on the VX. I've heard them on another vehicle. We are lucky in that we have an excelent little exhaust shop down in Daytona. Marty turned me on to the ATs(even though he doesn't sell them). They shipped em, he did the stainless welding. I'm puting them on the '35 this weekend. They have an awsome howl when you wind it up. They're gonna rock on the V8. Wayne
Super VXer
I also put an AT muffler in my Grand Cherokee (w/V8), and experienced an incredible average mileage increase of 5 mpg (from 13 to 18). A friend was so impressed that after making a trip together to Wyoming he put one in his van (not a mini, also w/V8) as soon has he got back.
Anyway, please be advised that this type of muffler is NOT recommended for heavy off-road use, since dents could interfere with the functioning of the turbine.
Last edited by UtahVXer : 07/06/2004 at 10:20 AM
New Member
Hey, I just got the Aero-T muffler installed Saturday 4/3/04, also I installed the Tornadofuelsaver in the air inlet hose. Drove it home approximately 450 miles. I noticed a significant mileage increase, Love the low end grunt, especially from 0-80mph. Interior sound level not as bad as I expected. According to the installers it will decrease at about 1500 miles...$200 well spent. Hey when will be taken off the NOOBEE list???
VXer in the Sky
Dyno results please. Sounds a lot like the fuel Tornado.....PowerVault was over a million $$ in development and doesn’t offer those kind of gains. Correct backpressure from a muffler is IMPERATIVE, converters are NOT sufficient to properly process the exhaust waves otherwise a straight pipe out the back would be most efficient and it isn’t.
Super VXer
For anyone who thinks their muffler increases flow more than a straight pipe....
Why not put 3 or 4 in a row for combined gain?
The way to lower noise in a muffler is to reflect sound half a wave out of phase back on itself to cancel out. You want to do this with minimal change or loss of gas velocity.
The only time a muffler will make more power than a straight pipe is if the engine is tuned too lean with the straight pipe. Given a chance to tune both, the straight pipe will make more power every time.
John C.
Need Email Address Updated, Please Contact Admin
You show me your data and I'll show you mine.!!!!Originally posted by Hotsauce
The only time a muffler will make more power than a straight pipe is if the engine is tuned too lean with the straight pipe. Given a chance to tune both, the straight pipe will make more power every time.
John C.
FF
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