That makes my decision even harder. I mainly use the LC to go shooting on the weekends and I carry everyday.
ARCHIVE 100 Series Cat-back Exhaust
- Thread starter NKP Garage
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This thread is somewhat enjoyable to read. One question: if I use the mid-pipes only with the stock manifolds and stock muffler/tailpipe will there be noticeable gains? I only saw a dyno chart with the cat back and the cat back+high flow mid pipes. Not just the high flow mid pipes with everything else stock.
Also do you have any insight on what would happen with %CO2, %O2, HC, CO % and NO? Basically how would it affect the 'smog panel' of tests?
Also do you have any insight on what would happen with %CO2, %O2, HC, CO % and NO? Basically how would it affect the 'smog panel' of tests?
- Thread starter
- #523
Tough choice for sure. The exhaust will get you there faster?
The emissions percentages will depend on whether you order your EMSPowered midpipes with no cats, single cat, or dual cat configuration. Generally we recommend at least 1 cat per midpipe if you are in an emissions testing area where they do a "sniffer" test in your tailpipe.
Yes, you will see similar horsepower and torque gains with the midpipes even with the OEM muffler still in place.
- Thread starter
- #524
LOTS and LOTS of EMSPowered 100-series Cat-back Exhausts and Midpipes shipping out this week. Here's one customers set of midpipes finished up and ready to be boxed up.
aaronrules
Coolest person you know!
Oh man...this is probably going to qualify as a late birthday present for me!
Woohoo. Anxiously waiting brown to deliver.
aaronrules
Coolest person you know!
I am wondering if I should add the midpipes to the order? And if so, which configuration gives the best performance? No cat? Dual Cats? Resonator? I don't have to worry about emissions in my state.
- Thread starter
- #529
The EMSPowered high flow midpipes definitely add a nice increase in horsepower/torque. We use high flow cats in our midpipes, the performance difference between catless midpipes and dual cat midpipes will be very minimal. We generally recommend to get one cat per midpipe. We have designed the system so that you can run single cats, no cats, or dual cats.
That is one of those things that is purely personal preference. It depends what your personal preference is. Some folks like it on the louder end of the scale, some folks like it on the quieter end of the scale.
- Thread starter
- #531
The EMSPowered midpipes will gain quite a bit of horsepower and torque on any setup, including a setup that already has headers.
I know that ems midpipes diameter is 2.25"
But I build midpipes in 2.5" with louvered core resonators.
Some sites said "Louvered core resonators will flow about 5% less but do a better job at silencing things."
My question is do I get the same flow of 2.25 pipes?
But I build midpipes in 2.5" with louvered core resonators.
Some sites said "Louvered core resonators will flow about 5% less but do a better job at silencing things."
My question is do I get the same flow of 2.25 pipes?
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I just ordered the catback exhaust today. I am having my supercharger put in and this as well sometime next week. Can someone advise me if I should have ordered the silencer? I prefer it to run as quiet as possible but want serious performance gains over stock. The exhaust seemed like the best upgrade after putting the supercharger in. And with the deal EMS is offering for a stainless steel exhaust I couldn't refuse. Most of the time I drive I have the music at full blast with windows down so noise that isnt louder than my stereo isn't an issue.
I live in Chicago and drive very aggressively. I just don't want the police to hear me a 1/4 mile away when I'm flooring it. I have a twin turbo V12 sedan that has a silencer on it and I have gotten away with driving 20-60mph over the speed limit right in front of police officers because they couldn't hear me (countless occasions). Most of the time they expect speeders to be loud.
I live in Chicago and drive very aggressively. I just don't want the police to hear me a 1/4 mile away when I'm flooring it. I have a twin turbo V12 sedan that has a silencer on it and I have gotten away with driving 20-60mph over the speed limit right in front of police officers because they couldn't hear me (countless occasions). Most of the time they expect speeders to be loud.
I am very interested in the EMS midpipes. I have stock manifolds and will keep the stock muffler and tail pipe. My question to anyone who can comment is how much louder this configuration will be with zero cats or 1 cat per side. I would prefer to run zero cats, but very much want my 2006 to be as close to as quiet as it is stock.
- Thread starter
- #535
If you keep the factory cat-back exhaust and upgrade to the EMSPowered midpipes, you will notice very little difference in sound.
even with no cats and no resonators in the midpipes?
Yes, the stock muffler does a VERY good job of keeping the system quiet.
Thanks for the confirmation. Looking to order a set very soon.
As far as I know I'm the only other supercharged hundy with Doug thorley headers, ems mid pipes and ems catback. I would def do the silencer in the tailpipe. If you get mid pipes get them with both cats. I got them with no cats and later added resonators and don't think that did much at all. If EMS ever has a mid pipe sale I would end up doing them with double cats and ditch the mid pipes with resonators to see what that does to the sound.
I found that no matter how hard I tried the supercharger was causing leaks where the clamps were so I had a local shop just weld those areas instead of using the clamps. I'm curious if you'll have the same issue.
Baktash, you have any extra tailpipes with silencers on sale?
Nate
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EMS midpipes with a single catalytic converter in each bank
I ordered these from EMS on June 25th. They shipped on July 11th and I received them last Friday. The quality of the materials and workmanship are top notch. The pipes were made to order and they fit my 1998 LC perfectly.
As an unexpected bonus, the package from EMS in included all of the hardware (studs, nuts bolts, and gaskets) needed to install the headers.
The single catalytic converter in each bank is a canamex bullet ceramic core cat.
Installation took about 3 hours, most of which was getting the rusted old pipes unstuck from the exhaust manifolds. I reused the old oxygen sensors and everything fit perfectly; -the wires were the correct length; - the EMS pipes have the O2 sensor in the same location as stock.
I am running the original factory exhaust manifold and muffler. Replacement of the corroded old catalytic converters with the EMS pipes did not make the engine any louder (it is still damn near silent).
The new pipes give a noticeable reduction in backpressure compared to the rusted old catalytic converters. The engine is more responsive (and no more rattling heat shields). The best way I can describe it is it's like turbo-lag has been eliminated. (Of course the LC is not turbocharged, but the new pipes eliminated the momentary hesitation that used to occur when you step down at idle). The engine seems to rev a little bit more freely.
My pants dynomometer has not been calibrated to standards recently but I'd say ditching the dirty old cats resulted in a gain of about 8.6 horsepower.
So far everything runs great, no CEL, no problems with fuel trim. I highly recommend the EMS midpipes.
It was a pleasure to deal with Bak and Ben at EMSPowered. They answered all of my questions and it was no problem to modify my order (added cats) after the order had been moved to the build queue.
The pipes were delivered to my house in Alaska about 3 weeks after I placed my order, which is very reasonable by any measure, and was a pleasant surprise after hearing some of the schedule horror stories promulgated on this board.
In my experience EMS Powered is a first class operation and their midpipes for the 100 series Land Cruiser are a prime example of specially fabricated replacement parts that exceed the quality and performance of the original equipment.
Definitely not vaporware.
I just got them on yesterday and have only driven about 20 miles since then. I will post back with more observations and pants dyno results later.
I ordered these from EMS on June 25th. They shipped on July 11th and I received them last Friday. The quality of the materials and workmanship are top notch. The pipes were made to order and they fit my 1998 LC perfectly. As an unexpected bonus, the package from EMS in included all of the hardware (studs, nuts bolts, and gaskets) needed to install the headers.
The single catalytic converter in each bank is a canamex bullet ceramic core cat.
Installation took about 3 hours, most of which was getting the rusted old pipes unstuck from the exhaust manifolds. I reused the old oxygen sensors and everything fit perfectly; -the wires were the correct length; - the EMS pipes have the O2 sensor in the same location as stock.
I am running the original factory exhaust manifold and muffler. Replacement of the corroded old catalytic converters with the EMS pipes did not make the engine any louder (it is still damn near silent).
The new pipes give a noticeable reduction in backpressure compared to the rusted old catalytic converters. The engine is more responsive (and no more rattling heat shields). The best way I can describe it is it's like turbo-lag has been eliminated. (Of course the LC is not turbocharged, but the new pipes eliminated the momentary hesitation that used to occur when you step down at idle). The engine seems to rev a little bit more freely.
My pants dynomometer has not been calibrated to standards recently but I'd say ditching the dirty old cats resulted in a gain of about 8.6 horsepower.
So far everything runs great, no CEL, no problems with fuel trim. I highly recommend the EMS midpipes.
It was a pleasure to deal with Bak and Ben at EMSPowered. They answered all of my questions and it was no problem to modify my order (added cats) after the order had been moved to the build queue.
The pipes were delivered to my house in Alaska about 3 weeks after I placed my order, which is very reasonable by any measure, and was a pleasant surprise after hearing some of the schedule horror stories promulgated on this board.
In my experience EMS Powered is a first class operation and their midpipes for the 100 series Land Cruiser are a prime example of specially fabricated replacement parts that exceed the quality and performance of the original equipment.
Definitely not vaporware.
I just got them on yesterday and have only driven about 20 miles since then. I will post back with more observations and pants dyno results later.
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