Just got L-Tuned exhaust and ECU
#1
AWESOME!
I was a little worried since some on this board were thinking that the L-Tuned was loud. No such worries! I used to have a Firehawk so the exhaust is just right for this kind of car. Cruising on the highway at 65-70 the stock tire noise is still the loudest part by far. (Until I jump on the throttle )
The ECU should be standard for all the GS. Less wandering around and now I don't have that "dead" spot after I start turning into a 90 degree corner.
Well worth the purchase price once I found a decent Lexus dealer to do the install. Now I just need to contemplate what to do next...
Peter
I was a little worried since some on this board were thinking that the L-Tuned was loud. No such worries! I used to have a Firehawk so the exhaust is just right for this kind of car. Cruising on the highway at 65-70 the stock tire noise is still the loudest part by far. (Until I jump on the throttle )
The ECU should be standard for all the GS. Less wandering around and now I don't have that "dead" spot after I start turning into a 90 degree corner.
Well worth the purchase price once I found a decent Lexus dealer to do the install. Now I just need to contemplate what to do next...
Peter
#2
Peter:
Glad to hear your enthusiasm! I've echoed your sentiment about the ECU needing to be default several times in the past. It's GREAT! I also have the L-Tuned suspension setup which is also wonderful. I'm going to have my local dealer install the L-Tuned exhaust and TRD sway bars for me at my 10K servicing (I'm at 9.1K now) and I can't wait! I'm glad to hear you say that the exhaust isn't as overwhelming as people seem to have implied...
Scott
Glad to hear your enthusiasm! I've echoed your sentiment about the ECU needing to be default several times in the past. It's GREAT! I also have the L-Tuned suspension setup which is also wonderful. I'm going to have my local dealer install the L-Tuned exhaust and TRD sway bars for me at my 10K servicing (I'm at 9.1K now) and I can't wait! I'm glad to hear you say that the exhaust isn't as overwhelming as people seem to have implied...
Scott
#4
Two things I like about the suspension change:
1. The overall handling enhancement. Doesn't corner on rails, but it's much tighter/flatter during turns
2. It lowers the car a little. I don't want my car to look like it's right off a high school lot, but it gives the car a little more aggressive stance, and it closes the wheel gap a little.
As for the suspension vs. the LSD, I'd personally have to go with the former for warranty reasons. The TRD LSD will void your powertrain warranty if something goes wrong and it's found to be at fault.
Someday in the post-warranty future I'd love to get the SRT HFI, SRT TC, and TRD LSD. The combination of those three for overall power, low end torque, and the ability to apply all that torque is extremely attractive. I can honestly say that this is the first time I've ever been excited about LOSING my warranty!
1. The overall handling enhancement. Doesn't corner on rails, but it's much tighter/flatter during turns
2. It lowers the car a little. I don't want my car to look like it's right off a high school lot, but it gives the car a little more aggressive stance, and it closes the wheel gap a little.
As for the suspension vs. the LSD, I'd personally have to go with the former for warranty reasons. The TRD LSD will void your powertrain warranty if something goes wrong and it's found to be at fault.
Someday in the post-warranty future I'd love to get the SRT HFI, SRT TC, and TRD LSD. The combination of those three for overall power, low end torque, and the ability to apply all that torque is extremely attractive. I can honestly say that this is the first time I've ever been excited about LOSING my warranty!
#7
Scott:
I think I agree with you about the warranty issue with the LSD. However I will *not* go another winter here without it. Hell my Firehawk handled better in the snow and I'm sure it had to do with the LSD. My only decision on the LSD will be TRD vs RMM. Since swapping in the TRD unit requires dis-assembling the stock rear-end I'm seriously considering the RMM unit since in the end it will cost about the same.
Thanks for your input on the suspension.
theanimala: Yowza :eek: . There was nothing "loose" the first time....... [edited for content]...
I think I agree with you about the warranty issue with the LSD. However I will *not* go another winter here without it. Hell my Firehawk handled better in the snow and I'm sure it had to do with the LSD. My only decision on the LSD will be TRD vs RMM. Since swapping in the TRD unit requires dis-assembling the stock rear-end I'm seriously considering the RMM unit since in the end it will cost about the same.
Thanks for your input on the suspension.
theanimala: Yowza :eek: . There was nothing "loose" the first time....... [edited for content]...
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#9
GSPOWER:
There may be a resonance ~2000 rpm though it really only seems to happen when I make a lot of light on/off throttle transitions. Put the foot down into the throttle and it sounds nice. When I'm cruising on an asphalt highway (only way to keep the re030s quiet ) you can just hear the lower exhaust sound. When I'm on concrete the tires drown out the exhaust at cruise. In either case just turning on the stereo solves the problem.
I guess it will be up to you but I think that this exhaust suits the car just right. It doesn't try to be total muscle car and it is certainly not quiet. FWIW: I had a Firehawk before with a louder exhaust but similar in character. By that I mean it too would be reasonably quiet in cruising and come alive when you opened it up. I really like the combination of this exhaust on this car.
Peter
There may be a resonance ~2000 rpm though it really only seems to happen when I make a lot of light on/off throttle transitions. Put the foot down into the throttle and it sounds nice. When I'm cruising on an asphalt highway (only way to keep the re030s quiet ) you can just hear the lower exhaust sound. When I'm on concrete the tires drown out the exhaust at cruise. In either case just turning on the stereo solves the problem.
I guess it will be up to you but I think that this exhaust suits the car just right. It doesn't try to be total muscle car and it is certainly not quiet. FWIW: I had a Firehawk before with a louder exhaust but similar in character. By that I mean it too would be reasonably quiet in cruising and come alive when you opened it up. I really like the combination of this exhaust on this car.
Peter
#10
I too am contemplating purchasing an exhaust for the GS400, but everyone is agreeing that there is low-end noise?
I used to have a tricked out 96 Accord where my exhaust was pretty noticeable. I don't want that with my GS at all, so that's why I decided against the exhaust. But now everyone says that it sounds real nice with a low hum.........
What's the power gain with the exhaust put on?
I used to have a tricked out 96 Accord where my exhaust was pretty noticeable. I don't want that with my GS at all, so that's why I decided against the exhaust. But now everyone says that it sounds real nice with a low hum.........
What's the power gain with the exhaust put on?
#11
kevs,
I've lived with it for a month now and love it. Yes if you are on/off partial throttle around ~2000 RPM for a long time you will hear it more than you might like. Otherwise I think you'll love it.
I don't know HP what gain, if any, you'll get by putting them on but I haven't noticed any difference SOTP in any way. I'm now waiting for my springs/shocks, sway bars and chassis brace.
Peter
#12
I've heard numbers of 2-8HP gains from the exhaust, so nothing you'd notice, even at the high end. Don't let performance be the deciding factor with the exhaust; it should come down to whether you want a sporty, throaty exhaust note or the quiet isolation of the Lexus cab...
#14
Originally posted by SCWells72
Peter:
Glad to hear your enthusiasm! I've echoed your sentiment about the ECU needing to be default several times in the past. It's GREAT! I also have the L-Tuned suspension setup which is also wonderful. I'm going to have my local dealer install the L-Tuned exhaust and TRD sway bars for me at my 10K servicing (I'm at 9.1K now) and I can't wait! I'm glad to hear you say that the exhaust isn't as overwhelming as people seem to have implied...
Scott
Peter:
Glad to hear your enthusiasm! I've echoed your sentiment about the ECU needing to be default several times in the past. It's GREAT! I also have the L-Tuned suspension setup which is also wonderful. I'm going to have my local dealer install the L-Tuned exhaust and TRD sway bars for me at my 10K servicing (I'm at 9.1K now) and I can't wait! I'm glad to hear you say that the exhaust isn't as overwhelming as people seem to have implied...
Scott