I have a 1998 F-150 4X4. It has the 4.6. I'm adding a couple improvements for towing and all around performance. I want to add the superchip, Airaid, and a cat-back system. I'd like to go with the flowmaster but don't know what series to go with. I'd like the dual pipes going out the back. Has anyone added a flowmaster series that can help me out. Let me know.
Thanks!!

 

Well I just installed the Flowmaster 50 series and a superchip. Let me just say those two additions were awesome to the power gains I recieved. I went with the 50 series just because of sound reasons. I didnt want it to be to loud. The 50 has a nice rumble to it

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TRUCK
2000 F150 Sport XLT 4.2L V6 Bright Red Flareside S/C. CD Player.

MODS
Code Alarm Surestart LX, K&N Filter. Flowmaster 50 series dual exhaust with 3.5" chrome tips, Superchip

 

Did you look into the towing for the 50 series? I know different series are meant for different applications. (I think) How much did you spend? Some guy wants $85.00 bucks th o install it for me. He'll weld it one to make it air tight. I figure it wouldn't take him over 45 mintutes at the most. Thats over $85.00 an hour for labor. What do you think?

 

Im not sure on the towing part but the price really does not sound bad. My complete system was $350. It is dual out with 3.5" chrome tips. The other guys on here may know more about the towing

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TRUCK
2000 F150 Sport XLT 4.2L V6 Bright Red Flareside S/C. CD Player.

MODS
Code Alarm Surestart LX, K&N Filter. Flowmaster 50 series dual exhaust with 3.5" chrome tips, Superchip

 

Hi, your truck is very similar to mine - 1998 4x4 with 4.6L Auto. I put just a flowmaster 50 series muffler on (no fancy tailpipes).
It sounds great. It cost $125 for the muffler and $50 for the install. (That's in Canadian money)
I would definitely recommend getting the 50 series.


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Kelly

for more info on my truck, just click the link below and browse around.
http://members.home.net/fordf150

 

For towing performance, I suggest the Gibson single exit exhaust. It is a little louder and deeper than stock, but not much. I chose the Gibson split-rear for the better sound and looks over the single exit. I don't have much experience with the flowmaster, but, but from everything I have read, Gibson is the best towing exhaust.

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'97 F150 4x4 Off-Road Extended Cab Lariat Flareside white/tan, tan leather, 4.6, 3.55

Duraliner bedliner, Husky floormats, Custom seatcovers (I only cover the leather when I'm really dirty, though), Premier single-lid toolbox

Gibson 2.5" split-rear exit cat-back exhaust, K&N Air Filter

Many more modifications to come

http://ocu-stars.okcu.edu/cvenable.stu/index.htm#b

 

For anyone interested.. I ended up buying a Dynomax 14" muffler. It sounds great. I didn't want as much noise and rumble as alot of guys. The muffler and stainless tip cost me $167.99 installed. I can tell the performance difference and am happy with my decision. Thanks for all the help!!

 

Greetings...

Please see my previous post below and good luck!! You won't regret it..
https://www.f150online.com/f150board...ML/000347.html

Steve

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2000 4X4 Lariat SuperCab
5.4 Triton
Two-tone black on silver
All options except LS differential

MODS so far:

-Westin step bars (powder coated matte black)
-Lund bug shield
-Gentex electrochromatic rear view mirror
-Cabin filtration kit
-Superchip
-Stull Billet Grill
-Flowmaster Force II catback (series 50 SUV with duals out the rear)
-Line-X bedliner

MODS to come:

-K&N or AirAid FIPK kit
-Mickey Thompson Challenger 16" wheels with 295/75 BFG AT KO's
-4.10 gears (still thinking about this one ...anyone have any input?)
-LS diff or locker of some sort once they are available..
-A.R.E. LSII or Ford HarleyDavidson tonneau cover

1995 Eddie Bauer Bronco
1988 Mustang GT

 

I made a mistake on my follow up. It was an Magnaflow muffler not a Dynomax that I had installed. I enjoy the extra performance and nice sound.

 

I have basically the same truck (4X2) With a flowmaster 50 series, super chip, and airaid. What a drastic difference! If I were you I'd get the Flowmaster 50 delta series. It is supposed to not have the drone the 50 series does about 60 mph. It took me a while to get used to the extra sound but now I love it.

WarEagle

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98 F150 Lariat extended cab, Pacific Green/Silver Frost,
Grey Leather Capt chairs, AM/FM/Cass/6-cd changer,
full tint, color matched bug deflector, vent shades,
A.R.E. hard bed cover, Ultra type 50 polished wheels,
BF Goodrich 315 55R x 16 Sport Truck Radial T/As, 4.6L,
AT, Towing Package, Airaid, Superchip, Flowmaster dual
exhaust, Flowmaster 50 series muffler, 3.55 gears