I saw the air box mod in the tech. section. Clever! I see no need to pop for a FIPK now.If you've done your truck, I'd like your comments. I'm curious about 4 things-1.Do you get an adequate seal at the element.2.How does your truck run in extremely cold temps.3.Can water splash up and foul the open element.4.How much more service does your k+n require, especially in back road operation? Thanks.

 

I ran mine for a whilr with th open element. I then opted to put it back on and give it a three inch fresh air tube. In my opinion it doesn't make a difference which way you do it. Either are a great inprovement. I put my box back on because I drive alot on gravel road and in the woods. It tended to get muddy with the open element.

Black 98

------------------
Black 98 4x4,4.6l Triton Dark tinted windows, bedliner, factory molded splashguards, K&N filter and airbox modifications,factory fogs added along with Auto headlights, spray-on door sill protectant, Painted (and chrome) throttle cover and other underhood components.

 

I run the mod you saw in the winter(sand slush).then when the weather is nicer i have a scoop and tubing run from the opening in my bumper to the stock air box with k&n...

------------------
-97 F150 FLARESIDE XLT REG.CAB.4X2 PACIFIC GREEN/GREY INTERIOR
-4.6L AUTO TRANNY 3.55 LS REAR
-MODS-
-ROUSH RACING PERFORMANCE SUSPENSION LOWERED 3 FRONT 3.5 REAR WITH BILSTIEN SHOCKS
-GOODYEAR EAGLE LS TIRES
-4X4 GRILL/BUMPER AND LIGHTS
-PAINT MATCHED SNUG LID BED COVER GREY CARPETED BED KIT
-VENTSHADES
-PAINT MATCHED SLOTTED TAILIGHT ACCENTS CLEAR FRONT CORNERS
-BLUE HALOGEN HEADLIGHTS/BUMPER LIGHTS TOO
-K&N FILTER-WMS AIR TUBE-CUSTOM RAM AIR FROM BUMPER OPENING
-SUPERCHIP(THANX MIKE!!) POWERAID(WHISTLE BOX) ACCELL SUPER STOCK PLUG WIRES BOSCH PLATINUM PLUS 4'S
-VALVOLINE FULL SYNTHETIC 10W30
-FLOWMASTER MUFFLER(to be changed to JARDINE system)
-SPEED GLO DASH& CARBON FIBER GAUGE ACCENT HUSKY LINER FLOOR MATS
-STEREO:
-ECLIPSE HEAD UNIT/SONY ADJUSTIBLE CROSSOVER MOUNTED IN DRIVER DOOR MAP POCKET/BOSTON 6.5 SEPERATES/RUN BY PIONEER AMP/2-12"ORION DVC SUBS POWERED BY ORION HCCA AMP/CUSTOM SUB BOX/1 FARAD CAP/WAY TOO MANY CD'S!!!!
CLIFFORD ALARM&REMOTE START.
"#6 STICKER" GO MARTIN!!

 

I do the same as Black 98 and RoushFan...I along with the airbox mod, I use the stock filter housing over a K&N. Then I connected the stock housing to the fender with a 3" pipe. No worries about water splashing up. This setup looks stock but has improved breathing. I don't know if Velocity Tube, FIPK or Airaid would give much more in terms of performance, but any of them would certainly look better.
HTH, Marv

------------------
'99 F150 SC, 4x2, Oxford white, flareside, 5.4, 3.55 rearend,
bodyside mouldings, Snugtop hard tonneau, K&N dropin and airbox mod.
Duraliner drop-in (gave up on the Penda Nascar). Gibson Supertruck. Ford 2-piece bra. Catch-All floor mats.
No door cracks yet at 6K!!!

Future mods: 2/4 lowering, and some Roush stuff.

 

Try to keep it sealed. You really want cool air.