-AR

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2001 F-150 XLT 4X4 Off-Road, S/C, FS, Black
- 4.6L Triton V8 (Romeo, 20 HP Increase)
- 5 Speed / 3:55 Reg. Axle
- Keyless
- Premium Audio CD
Mods.
- K&N Cold Airbox / Throttle Body Mod.
- Flowmaster 40 (Stock Setup with 3 1/2" x 10" Gibson Tip)
- Cranked Torsion Bars
- APC XENON PLASMA Super Whites
- Bugshield
- Bedliner
- Ventshades
- "Light Argent" 4X4 Off-Road Decals
- K&N & Flowmaster Stickers (Under the Hood)
Build Date: 8/23/00 (Kansas City Plant)

arobbins@mail.liberty.k12.mo.us

 

You need a crossover in there somewhere. It helps with scavenging, and backpressure.

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2000 F150 XLT 4X4 Off Road 5.4L Reg. Cab 3.55

Performance Enhancemets:
K&N
WMS Velocity Tube
Gibson Sweptside

Audio Enhancements:
All of the above, plus
Sony C7000X HU
Cerwin-Vega SS2502 components(Front)
Blaupunkt PCxp573s(Rear)

Radio-delay mod

(For now)

 

Hey man...according to Flowmaster, and the shop in Cali. http://www.exhaustpro.com ...it doesn't need it. Dunno why, but maybe because it's a low-compression engine, and the turn-downs are short?

-AR