I am currently working with a few members with both headers and either 2. Maybe after replacing exhaust I will by Injen intake, I heared it fits well in 1990, isnt it? As the gas cools, it becomes more dense. We have over lots of customer reviews on Lexus Exhaust System to help you find exactly what you need. This means a straight 2. Axle Back systems are popular performance parts for customers looking for a louder-than-stock rumble while accelerating. Note that you don't get that much sound--but enough to know you have a V-8.
In addition the middle mufflers are worth removing. Also at 3,858 lbs this is never going to be a muscle car. Everything is cool but I dont want turbos. Shorty headers are the only setups that make due with the room available. In that location it is not as bad as this but still is a marginal intersection. Below is the style with the round middle mufflers.
Engine will perform better with faster running times. Pipe is still there after the axle. The parts, labor, web development and site hosting are from my personal hobby money. If you feel my efforts help you in any form, please do not hesitate to donate any amount of money to support this site. On certain vehicles we offer more than one sound level for the discriminating driver. The downside is that you will have to relocate an o2 sensor bung or 2 and relocate your cats further down the exhaust.
Ok whats the best performance mods on the exhaust for the sc400? Its a race car, but isn't loud; would be ok on the street I think. May be best one available for the lex, but you'd be better off having good ones made. The larger exhaust pipes being used will cause torque loss at lowend but that can be countered with a stronger torque converter. Its hard to follow what you are asking. Since your saying to remove the mufflers would be the best way to increase performance without increasing sound too much? As Jbrady puts it, they act as 1-way check valves for exhaust pulses. . Throw a Lextreme torque convertor in there and you wont be able to tell the difference down low.
I am new to this board but not new to Lexus or internal combustion performance. I think it is a good idea for people to understand the various parts of the stock system, what each does and the consequences of changing parts. As it becomes more dense, the velocity changes. If you deleted the 4 main mufflers and replaced with 2 high flow mufflers you could pick up about 15bhp with the stock headers. I remember seeing you Y's you first made a while ago but not one makes a nice merge with low angles. Both of these though are bandaids to correct the real problem, which is not have the converters installed.
They sell numerous flanges online and you can cut your existing flanges off if need be, and there are plenty of weld in converters without flanges that you can adapt to make them work properly. The resonators are not really resonators but mufflers; all kind of baffles!!!!!!! There may well be another 20rwhp in 2. If you are familiar with David Vizard, he writes technical exhaust papers, was involved in the design of the Dynomax Super Turbo muffler probably the most successful muffler produced and was involved in the flow testing and subsequent power rating listed for many of the Dynomax mufflers. The only comparisions I have made to your statements was in regards to my 1992 sc400 exhaust first hand adventures. Here is a picture looking through the core.
Here's a picture of the old gasket, it doesn't look good, replace all gaskets! The real problem with taking them off is reversion, and leaving them in place preserves the low end torque and mid range throttle response. Planing on leaving the Cats and the stock pipe size. All standalone pipes on both sides. The center single resonator should be replaced with a piece of 2. It sounds like you just don't want to spend the money to do that, which is fine, but you're not going to correct the problem any other way. I stoppped following your thread on the headers a long time ago as it got full of wasted space from others asking dumb questions. But, at only 50mm the restriction is substantial.
Good site from what I have read so far. I'm also puzzled how an exhaust flange wouldn't line up to a factory installed i. The problem is, scavenging only occurs when exhaust gases are traveling thru your exhaust system at the right speed. Or just attach a polished stainless steel exhaust tip for refreshed looks. Do you have them on your car? Do you have any questions? Also note the O2 placement is in the 50mm sections of the Y pipe where the sensor tip takes up a good portion of the available flow area Here is the Y pipe.
Maybe you should rewrite your post so we can understand what you are asking. Our restriction-free exhaust systems and headers get the most performance out of your engine. Currently im supercharged and its slowly turning into a weekend track car so eventually I wont have to worry about the smog checks altogether. Deleting the center resonator with a 2. You could make some pipes to take the place of the resonators--but this is really tricky--you need to cut off the flanges from the stock resn. It goes into the technical details that the original article only briefly touched on.