View Poll Results: Which is better for a CL-S in your opinion?
Premade AEM/Injen CAI
1
25.00%
Custom 4 Inch Aluminum CAI and 4" K&N Filter
3
75.00%
Voters: 4. You may not vote on this poll
4" Intake on a CL-S
#1
I broke what now??
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4" Intake on a CL-S
I have done a decent amount of research on doing this and have it all priced out to build with aluminum tubing with a 4" K&N filter on the end right around $180 for my 2003 CL-S
For a similar price I could buy a name brand full CAI and I am not sure which to go with. I was hoping for some feedback on the idea to run a custom 4" all the way to the throttle body vs buying a pre-made AEM or Injen product.
I also have OBX headers and a full 2.5" exhaust if it matters.
For a similar price I could buy a name brand full CAI and I am not sure which to go with. I was hoping for some feedback on the idea to run a custom 4" all the way to the throttle body vs buying a pre-made AEM or Injen product.
I also have OBX headers and a full 2.5" exhaust if it matters.
#2
I'd go with a 3.5 or 4" custom over a 3" or smaller name brand intake.
Could take Comptech Icebox and just use bigger tubing.
I am running a Airaid U-Build-It 4" intake. They send you a section of plastic tubing and you cut it how you want. No welding required.
Could take Comptech Icebox and just use bigger tubing.
I am running a Airaid U-Build-It 4" intake. They send you a section of plastic tubing and you cut it how you want. No welding required.
#5
Would think anything over 76mm is overkill. Would like to see dyno comparisons.
Comptech is nice, but needs to be modified IMO. If you install it as is, there are points in the tubing where it is restricted to only 2.5". At the least I would replace the crappy silicone couplers and their ribbed for pleasure design.
The following 2 users liked this post by brian6speed:
03 tls nc (05-01-2016),
R J Poseidon 6 (04-19-2016)
#7
I'd be worried about throttle response with such a massive TB. Have you been driving with it? Notice anything?
Last edited by brian6speed; 04-20-2016 at 09:17 AM.
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#8
I broke what now??
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I went ahead and ordered everything to put together a 4" intake minus the filter for a total of $82.73 on ebay. The filter was $25 from an auto parts store, though I plan on buying a large k&n if this works out well.
I am also going to attempt to bypass the VSA throttle body. I understand it requires some resistors to feed the vsa's control unit a constant voltage, fortunately I am good enough with electronics/multimeters/math that it wouldn't be hard to figure out assuming that is all there is to it.
I am also going to attempt to bypass the VSA throttle body. I understand it requires some resistors to feed the vsa's control unit a constant voltage, fortunately I am good enough with electronics/multimeters/math that it wouldn't be hard to figure out assuming that is all there is to it.
#10
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I went ahead and did everything, VSA throttle body gone with no lights on the dash, and a 4" aluminum intake. There are noticeable gains in my opinion. I would like to get a more gradual 3 to 4 inch coupler to see if that makes a difference too.
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