SRT Intake or exhaust first?
Originally Posted by jbrady
rominl,
I searched for the apexi for the GS400 and found no pictures only verbiage saying that it was cat back. BUT, I did find where the SAME part number works on both the GS300 and 400. That is not possible on a true cat back system. Now, from the center resonator outlet flange back the GS300 and 400 are duals with resonators. I believe this is what is being CLAIMED as cat back when in reality it is only resonator back. There are 3 resonators, the single center and the duals. It looks like the apexi includes a rear Y pipe and duals to the mufflers. A true cat back would include from the catalysts which would require the front Y pipe assembly. Take a look at the diagrams I posted in the Header thread and tell me what came with your system.
I searched for the apexi for the GS400 and found no pictures only verbiage saying that it was cat back. BUT, I did find where the SAME part number works on both the GS300 and 400. That is not possible on a true cat back system. Now, from the center resonator outlet flange back the GS300 and 400 are duals with resonators. I believe this is what is being CLAIMED as cat back when in reality it is only resonator back. There are 3 resonators, the single center and the duals. It looks like the apexi includes a rear Y pipe and duals to the mufflers. A true cat back would include from the catalysts which would require the front Y pipe assembly. Take a look at the diagrams I posted in the Header thread and tell me what came with your system.
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Pole Position
Joined: Aug 2004
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From: Missouri
a little confused....
So the majority of the people on this thread say to go with exhaust first....which seems to be a predominately cosmetic mod..... yet the SRT intake can possibly add 20 or more hp? Check thread...
https://www.clublexus.com/forums/sho...d.php?t=164813
I am wondering why then the recommendation for the exhaust system over a power producing mod?
Now at $475 shipped the SRT is less expensive than the exhaust system and will provide a new "sound" for me to enjoy as well..
I think I will order the SRT tonight....
https://www.clublexus.com/forums/sho...d.php?t=164813
I am wondering why then the recommendation for the exhaust system over a power producing mod?
Now at $475 shipped the SRT is less expensive than the exhaust system and will provide a new "sound" for me to enjoy as well..
I think I will order the SRT tonight....
Lexus Fanatic
Joined: Dec 2003
Posts: 14,523
Likes: 3
From: new jersey
Originally Posted by SUPRAboy80
So the majority of the people on this thread say to go with exhaust first....which seems to be a predominately cosmetic mod..... yet the SRT intake can possibly add 20 or more hp? Check thread...
https://www.clublexus.com/forums/sho...d.php?t=164813
I am wondering why then the recommendation for the exhaust system over a power producing mod?
Now at $475 shipped the SRT is less expensive than the exhaust system and will provide a new "sound" for me to enjoy as well..
I think I will order the SRT tonight....
https://www.clublexus.com/forums/sho...d.php?t=164813
I am wondering why then the recommendation for the exhaust system over a power producing mod?
Now at $475 shipped the SRT is less expensive than the exhaust system and will provide a new "sound" for me to enjoy as well..
I think I will order the SRT tonight....
well the exhaust is pretty easy also
whoops
Srt intake
and Blitz Exhaust
i had this combo and loved it !!!!!!!!!!!!!!!!!!!!!!!!1
Lexus Test Driver
Joined: Jun 2002
Posts: 869
Likes: 1
From: California
Originally Posted by jbrady
rominl,
I searched for the apexi for the GS400 and found no pictures only verbiage saying that it was cat back. BUT, I did find where the SAME part number works on both the GS300 and 400. That is not possible on a true cat back system. Now, from the center resonator outlet flange back the GS300 and 400 are duals with resonators. I believe this is what is being CLAIMED as cat back when in reality it is only resonator back. There are 3 resonators, the single center and the duals. It looks like the apexi includes a rear Y pipe and duals to the mufflers. A true cat back would include from the catalysts which would require the front Y pipe assembly. Take a look at the diagrams I posted in the Header thread and tell me what came with your system.
I searched for the apexi for the GS400 and found no pictures only verbiage saying that it was cat back. BUT, I did find where the SAME part number works on both the GS300 and 400. That is not possible on a true cat back system. Now, from the center resonator outlet flange back the GS300 and 400 are duals with resonators. I believe this is what is being CLAIMED as cat back when in reality it is only resonator back. There are 3 resonators, the single center and the duals. It looks like the apexi includes a rear Y pipe and duals to the mufflers. A true cat back would include from the catalysts which would require the front Y pipe assembly. Take a look at the diagrams I posted in the Header thread and tell me what came with your system.
Last edited by FutureGS400; Jun 2, 2005 at 03:47 PM.
I just got both installed.
I installed the exhaust first and the gain in performance is minium but noticeable. But after the srt put in, the car just pullllls hard!!
So I would get srt first but if you can afford, get both.
I installed the exhaust first and the gain in performance is minium but noticeable. But after the srt put in, the car just pullllls hard!!
So I would get srt first but if you can afford, get both.
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