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06-08-2008, 05:35 PM
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#1 (permalink) |
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Senior Member
Join Date: Aug 2007
Location: San Jose, Ca
Posts: 156
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Free HP mod, stock Air box lid charcoal filter delete!
Note: I am making this thread because I spent an hour searching for info on this with no luck. Special thanks to Dez and sxd for telling me to rip it out
 Remember, if you install any CAI or after market intake, you will be with out this charcoal filter. So why keep it! Time: 30 sec 1. Pry off the charcoal filter with a flat head screw driver. Start with a corner, then just it just pops off with little force Example of how it pops off: Note: No need to cut the filter.  2. Test drive. The charcoal filter is very restrictive. Using a can of compressed air, blowing through the charcoal filter cuts the air down to only a trickle. Just look how thick this 7 layer beast is:  Wow, what a diffrence! Loud, deap throaty sound up front! Increased throttle response! Next steps: Im guessing, find and install a drop in filter. Then dyno this vs a common CAI.
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 07 5.7L Sky Silver Double Cab -EGR Vents/Bug guard -TRD Sway bar -Corsa Touring Exhaust -Charcoal filter delete Gallery Last edited by Cyprex : 06-25-2008 at 12:37 PM. Reason: Added Easy Way Instructions. |
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06-08-2008, 05:41 PM
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#2 (permalink) |
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Senior Member
Join Date: May 2008
Location: South Florida
Posts: 4,830
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Thanks. I'm gonna do that tonight!
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06-08-2008, 05:43 PM
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#3 (permalink) |
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Super Moderator
Join Date: Feb 2008
Location: friendswood tx
Posts: 2,746
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You know with a little smoothing out of the lid, im sure there will be more of a gain, all those ridges do is slow the air flow to make it quieter, I will take a dremel or grinder to mine soon and update everyone.
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06-08-2008, 05:53 PM
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#4 (permalink) |
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Senior Member
Join Date: May 2008
Location: South Florida
Posts: 4,830
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What's that filter for anyway?
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www.IBTOHQ.com Last edited by SRT8TUNDRA : 06-08-2008 at 07:05 PM. |
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06-08-2008, 05:55 PM
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#6 (permalink) | |
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Senior Member
Join Date: May 2008
Location: South Florida
Posts: 4,830
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Quote:
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06-08-2008, 05:57 PM
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#7 (permalink) |
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Senior Member
Join Date: Nov 2007
Location: Midland, The Republic of Texas
Posts: 226
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.......don't see how it can be restrictive as these trucks run lean....ULEV II. According to K&N, airflow is only 1-2 mph across the filter element at 70 mph. Again, if the factory intake was restrictive, it would be causing a rich operating condition.
Can Oil Come Off Our Filters? High Airflow Testing & Engine Air Filter Dynamics
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'07 RCSB 5.7 SR5 The Silver Bullet.........Yep, it's gotta HEMI 
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06-08-2008, 06:01 PM
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#8 (permalink) |
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Join Date: May 2008
Location: South Florida
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I thought they run rich!
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www.IBTOHQ.com Last edited by SRT8TUNDRA : 06-08-2008 at 07:04 PM. Reason: grammar |
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06-08-2008, 06:18 PM
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#10 (permalink) | |
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Join Date: May 2008
Location: South Florida
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Quote:
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06-08-2008, 06:20 PM
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#11 (permalink) |
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Join Date: Jan 2008
Location: Huntington,Indiana
Posts: 4,978
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Very inventive mod . Thanks for sharing !
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 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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06-08-2008, 06:39 PM
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#12 (permalink) |
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Senior Member
Join Date: Apr 2008
Location: Fort Worth, Texas
Posts: 1,548
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Removing it will make the intake a little louder. I popped mine out after about a month of owning the truck. Supposedly the charcoal is there to clean any backflow gases when you turn the truck off.
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 2007 SR5 Crewmax 5.7L 4x4 All mod descriptions and pictures © 2007,2008 by Toxarch. They may copied only for personal use and the mods may be done for non-profit only. |
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06-08-2008, 06:48 PM
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#13 (permalink) |
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Senior Member
Join Date: May 2008
Location: South Florida
Posts: 4,830
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Yeah I just did it! Intake is a little louder and seems to be just a little peppier. May be my imagination though. Very easy mod. Took me about 10 minutes.
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06-08-2008, 07:03 PM
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#15 (permalink) | |
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Quote:
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