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05-01-2008, 11:28 AM
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#1 (permalink) |
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Junior Member
Join Date: Apr 2008
Posts: 5
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K & N CAI and JBA Dual Exhaust
Just installed both to my 5.7 Crew Max and hearing a high pitch whistling sound in the cab when I get on the throttle. Anyone know what this may be caused by ? It's pretty annoying.
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05-01-2008, 12:12 PM
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#2 (permalink) |
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Senior Member
Join Date: Jan 2008
Location: Huntington,Indiana
Posts: 4,982
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It's probably the C.A.I , welcome to the forum and post up a pic .
__________________
 2008 Crewmax X-SP carbon Fiber Dash kit 20" JTI Rims BFG AT KO 285/55/20 AFE C.A.I w/ Dry Pro filter and the AFE Mod Blacked out Headlight Mod. Flo~Pro muffler #744 Toytec 3" front , 1" rear blocks and Diff. lowering kit 
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05-01-2008, 07:19 PM
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#6 (permalink) |
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Junior Member
Join Date: Apr 2008
Posts: 5
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It almost sounds like it is coming through the speakers. Does it at certain RPM levels. Kind of reminds me of the sound you get when an amplifier is installed and is really throttle sensitive. May go and pick the brain of a service tech at Toyota to see if he can shed any light.
The sound of the JBA is awsome with very little drone. |
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05-02-2008, 01:31 AM
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#7 (permalink) |
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Member
Join Date: May 2007
Location: Knoxville, TN
Posts: 75
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The K&N I have on my 4.7 has a whistle when I really push the fun pedal. Other than that it just has a mean growl when accelerating rapidly. The whistle is not constant, sometimes it will do it and other times it does not. I have checked all fittings for leaks and dont see any. At this point I am not terribly worried about it as others have the same thing.
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** 2007 Tundra 4.7L 4x4 DC ** Silver Sky Metallic ** K&N Intake ** JC Whitney Nerf Bars (Black) ** And the Glock 30 next to the cup holders 
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05-06-2008, 08:18 PM
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#8 (permalink) |
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Senior Member
Join Date: Nov 2007
Posts: 168
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I have the k&N and at part throttle it does whistle at middle rpm ranges 2-3500rpm or so. At full throttle though it's just loud and mean.
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2007 Tundra dc sr5 4x4 5.7 trd blue streak metalic K&N 77 series intake, trd shifter , trd pedals, trd oil cap, xsp style steps,underseat storage, timbren system 14.9@ 92mph (15.2 on streetfire tundra vs. vette) both completely stock 2004 mercedes c230 sport coupe 1992 eagle talon tsi awd modded |
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05-20-2008, 03:41 PM
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#9 (permalink) |
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Junior Member
Join Date: Apr 2008
Posts: 5
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And now the CEL is coming on when the outside temperature heats up. No light early in the am and around mid morning comes on and stays on until late afternoon. Thinking about scraping the K & N and going to something else.
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05-20-2008, 03:49 PM
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#10 (permalink) | |
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Senior Member
Join Date: May 2008
Location: South Florida
Posts: 4,880
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Quote:
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05-20-2008, 09:31 PM
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#11 (permalink) |
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Super Moderator
Join Date: Feb 2008
Location: friendswood tx
Posts: 2,747
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Maybe it has too much oil and when the air charge temps are hotter its making the oil more viscous and in return sending it down the intake tube and getting on the MAF, I suggest taking the filter out and cleaning it and not oiling it and then see if its still doing the same thing.
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