How Loud Is The SRT Intake?
#16
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Join Date: Jul 2001
Location: California
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You hear a refined 'roar' under moderate to full throttle. Under normal throttle it's fairly quite. Not as quite as the stock intake but not that noticeable.
Mind you it's not CARB (California Air Resource Board) approved so keep that in mind when your smog inspection is required. There are few ways to deal with this issue. PM me if you need details.
Although I've never had my car dyno'd ( with or without the intake) I can't positively validate the HP or torque gains claimed on the SRT web site or by independent CL testers.
I personally 'feel' a little more power but it just might be the wonderful roar you get from massive amounts of unbaffled air giving you that surge.
Good luck!
Mind you it's not CARB (California Air Resource Board) approved so keep that in mind when your smog inspection is required. There are few ways to deal with this issue. PM me if you need details.
Although I've never had my car dyno'd ( with or without the intake) I can't positively validate the HP or torque gains claimed on the SRT web site or by independent CL testers.
I personally 'feel' a little more power but it just might be the wonderful roar you get from massive amounts of unbaffled air giving you that surge.
Good luck!
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#17
Lexus Test Driver
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I like mine SRT Intake, sound wise
Power? some gains at top end. I noticed much more power during winter time with temps 30 degrees and less. I think that heat shield its joke. Metal Piping is another issue i have, can you imagine 90 degrees outside with air trapped in the engine bay after 20 min. ride. SRT piping will be hot as hell also air going thru intake will be much warmer, that means no power gain, i'd rather say power loss.
I'm currently working on piping insulation, and than custom air box
So if you're concern about SRT sound, don't - why? coz you don't drive in 4K-6K RPM range every time you're behind steering wheel
Oh, and my gas milage got better, when i drive resonable
Power? some gains at top end. I noticed much more power during winter time with temps 30 degrees and less. I think that heat shield its joke. Metal Piping is another issue i have, can you imagine 90 degrees outside with air trapped in the engine bay after 20 min. ride. SRT piping will be hot as hell also air going thru intake will be much warmer, that means no power gain, i'd rather say power loss.
I'm currently working on piping insulation, and than custom air box
So if you're concern about SRT sound, don't - why? coz you don't drive in 4K-6K RPM range every time you're behind steering wheel
Oh, and my gas milage got better, when i drive resonable
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Last edited by LEXSOOS; 04-07-06 at 09:42 AM.
#20
Lexus Test Driver
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Originally Posted by oohpapi44
LEXSOOS, please keep me updated on what you come up with....
#21
Lexus Fanatic
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Originally Posted by LEXSOOS
I like mine SRT Intake, sound wise
Power? some gains at top end. I noticed much more power during winter time with temps 30 degrees and less. I think that heat shield its joke. Metal Piping is another issue i have, can you imagine 90 degrees outside with air trapped in the engine bay after 20 min. ride. SRT piping will be hot as hell also air going thru intake will be much warmer, that means no power gain, i'd rather say power loss.
I'm currently working on piping insulation, and than custom air box
So if you're concern about SRT sound, don't - why? coz you don't drive in 4K-6K RPM range every time you're behind steering wheel
Oh, and my gas milage got better, when i drive resonable![Stick Out Tongue](https://www.clublexus.com/forums/images/smilies/tongue.gif)
Power? some gains at top end. I noticed much more power during winter time with temps 30 degrees and less. I think that heat shield its joke. Metal Piping is another issue i have, can you imagine 90 degrees outside with air trapped in the engine bay after 20 min. ride. SRT piping will be hot as hell also air going thru intake will be much warmer, that means no power gain, i'd rather say power loss.
I'm currently working on piping insulation, and than custom air box
So if you're concern about SRT sound, don't - why? coz you don't drive in 4K-6K RPM range every time you're behind steering wheel
Oh, and my gas milage got better, when i drive resonable
![Stick Out Tongue](https://www.clublexus.com/forums/images/smilies/tongue.gif)
i solved that problem with a $5 dryer hose from home depot - the flexible kind...i had it running from the bottom front next to the fog all the way up right to the filter so that it was receiving the air from outside... it cooled the that area significantly.. big difference....
![](http://www.homedepot.com/cmc_upload/HDUS/EN_US/asset/images/eplus/197105_4.jpg)
Last edited by GSoup; 04-07-06 at 10:29 AM.
#23
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Originally Posted by Mr GS400
You hear a refined 'roar' under moderate to full throttle. Under normal throttle it's fairly quite. Not as quite as the stock intake but not that noticeable.
Mind you it's not CARB (California Air Resource Board) approved so keep that in mind when your smog inspection is required. There are few ways to deal with this issue. PM me if you need details.
Although I've never had my car dyno'd ( with or without the intake) I can't positively validate the HP or torque gains claimed on the SRT web site or by independent CL testers.
I personally 'feel' a little more power but it just might be the wonderful roar you get from massive amounts of unbaffled air giving you that surge.
Good luck!
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
Mind you it's not CARB (California Air Resource Board) approved so keep that in mind when your smog inspection is required. There are few ways to deal with this issue. PM me if you need details.
Although I've never had my car dyno'd ( with or without the intake) I can't positively validate the HP or torque gains claimed on the SRT web site or by independent CL testers.
I personally 'feel' a little more power but it just might be the wonderful roar you get from massive amounts of unbaffled air giving you that surge.
Good luck!
![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
I installed my SRT first (nice sound, not incredibly louder until you really mash the pedal). Then I added the borla exhaust...it sounds 100% different with the combo...louder, grumblier, meatier. The SRT whistles right before the car shifts, I've had several people ask me about the supercharger...haha it's just an intake I tell them.
#24
Lexus Fanatic
iTrader: (2)
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The best thing to do with cold air intakes is to make a custom box for it. Some guys use plexiglass, sheet metal, anything to seal out the hot air from the engine. The colder the air, the better performance you get out of the intake. Using a gutter extender will serve no purpose unless it leads to a sealed enclosure. Here is a pic of a custom job for a GS4 with an SRT intake.
Last edited by DASHOCKER; 04-07-06 at 11:06 AM.
#25
Lexus Test Driver
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This is a great example Dash
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Originally Posted by DASHOCKER
The best thing to do with cold air intakes is to make a custom box for it. Some guys use plexiglass, sheet metal, anything to seal out the hot air from the engine. The colder the air, the better performance you get out of the intake. Using a gutter extender will serve no purpose unless it leads to a sealed enclosure. Here is a pic of a custom job for a GS4 with an SRT intake.
#26
Lexus Fanatic
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Originally Posted by JeffTsai
How did you run it down there? That whole compartment is sealed, unless you cut a big hole? ![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
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as far as my gutter extension.... not working...what do you think a CAI..does....it goes outside of the engine bay so it can receive colder air...
i owned the SRT and did the mod...i have proven experience that it did supply colder air to the area..was it optimal ..,.. NO, but it was better having air rushed from in front of the vehicle and from the outside of the vehicle and then have it go directly to in front of the filter than having the filter sit there and just suck up the hot air around it.
Last edited by GSoup; 04-07-06 at 11:53 AM.
#27
Lexus Fanatic
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Originally Posted by GSoup
no it isn't there is a gap near the headlight.... thats why i used the flexible one so that i cn manuever it around....
as far as my gutter extension.... not working...what do you think a CAI..does....it goes outside of the engine bay so it can receive colder air...
i owned the SRT and did the mod...i have proven experience that it did supply colder air to the area..was it optimal ..,.. NO, but it was better having air rushed from in front of the vehicle and from the outside of the vehicle and then have it go directly to in front of the filter than having the filter sit there and just suck up the hot air around it.
as far as my gutter extension.... not working...what do you think a CAI..does....it goes outside of the engine bay so it can receive colder air...
i owned the SRT and did the mod...i have proven experience that it did supply colder air to the area..was it optimal ..,.. NO, but it was better having air rushed from in front of the vehicle and from the outside of the vehicle and then have it go directly to in front of the filter than having the filter sit there and just suck up the hot air around it.
#28
Lexus Fanatic
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sean..the point is to get fresh air to the area of the filter which it did..oppose to it sucking the hot air that was in the engine bay.. and that isn't always the case that its one continous long tube... if you are familiar with it then you would know if you put a bypass valve on it (ie.AEM) it isn't continous anymore yet it still does the job....
As far as the discussing this with you i'm not... like i said i ACTUALLY OWNED the srt intake and had it on my car and i know the difference it did on my car. you should remember...you saw my taillights on several occasions...
As far as the discussing this with you i'm not... like i said i ACTUALLY OWNED the srt intake and had it on my car and i know the difference it did on my car. you should remember...you saw my taillights on several occasions...
#29
Lexus Fanatic
iTrader: (2)
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Originally Posted by GSoup
sean..the point is to get fresh air to the area of the filter which it did..oppose to it sucking the hot air that was in the engine bay.. and that isn't always the case that its one continous long tube... if you are familiar with it then you would know if you put a bypass valve on it (ie.AEM) it isn't continous anymore yet it still does the job....
As far as the discussing this with you i'm not... like i said i ACTUALLY OWNED the srt intake and had it on my car and i know the difference it did on my car. you should remember...you saw my taillights on several occasions...
As far as the discussing this with you i'm not... like i said i ACTUALLY OWNED the srt intake and had it on my car and i know the difference it did on my car. you should remember...you saw my taillights on several occasions...
![Uhh...](https://www.clublexus.com/forums/images/smilies/1387914497.gif)