I'm getting this done soon so I need some quick advice. I have heard many different opinions, encluding, don't mess with the factory exhaust. Do I want to go with a
2 1/2" in / out Flowmaster 2 chamber and leave the rest of the pipes stock? Do I want to go with something other than a Flowmaster? Do I want to go with chrome tips? I'm looking for better sound out of my V6 but not too load. Not too worried about performance or looks. Thanks. -AR

Remember, it's a 4.2L V6 in a 99' F-150 4X4.

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I've got a V8 so I can't help much. I do have a 2 chambered 40series Flowmaster cat-back exiting in front of the rear tire. It's loud with deep rumbling sounds. I don't know how it would sound on yours, weaker??? Mine is a 2 1/2" single out and yes I could really feel the hp when I first added it. It sure is a much smaller muffer than that bomb that came off the truck!! This route I took was a whole lot cheaper than most other muffers and I figured if I didn't like it, I wouldn't be out to much $!!! Mine did wind up being exactly what I was looking for

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97F150 XLT SC 4x4 Flairside 4.6 V8 5sp Dk Toreador Red, 3.55LS
ARE tonneau cover, p255/70rx16 tires (came w/235), Superchip
Pioneer CD w/4 Polk Speakers & Clarion APA5240amp, skid plates
bed liner, side window deflectors, reese hitch, K&N air filter
40s-2chamber Flowmaster, Bosch +4 spark plugs, rustproofing
Better Built Stainless nerf bars

 

I put a Rhino muffler on mine.It has a deep rumble at idle like a flowmaster but quieter because its a six.At acceleration nice throaty sound and nice inhale sound on shifts.Once at dsired speed really gets quiet almost stock quiet with the windows up and the air on but with the windows down you can hear a nice throaty exahuast sound.Claims to flow better than flowmaster and dynomax and give more hp but i didnt notice that much.Had a magnaflow but was to dronny at all speeds for me.Does get a little louder on dornes a little about 75-85 mph but other wise its smooth sounding for the sixes.

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------------------------- 99 SILVER XLT/REG.CAB/4.2/5SPD/3.55/K&N AIRBOX MOD/Rhino muffler/Westin black nerfs

 

I've got a V6 with a 3-chamber 50-series and it sounds pretty good. I didn't just replace the muffler, though. I removed all the pipe behind the muffler and put a turn-down after the muffler. Nice sound at idle and normal acceleration, about as quiet as stock at cruise. If you're going to use a 2-chamber (40-series?) and keep the tail pipe, it probably won't be any louder than mine. And you definitely want to stay with 2 1/2" pipe, it's the right size for a 4.2L engine. I know you aren't interested in a performance increase, but I bet you'll notice a difference.

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Danny
'98 F-150 Std., RC, SB, 4x2, 4.2L, 5-sp, 3.08, AC, speed control, rear slider
with Syntec engine oil, MTL trans fluid, Edelbrock shocks, 50 Series Flowmaster, K&N with airbox mod, electric radiator fan

 

gaudenti and mike150

What exactly is an air box mod? The complete K&N system/AIR Aid system. Did you pull out the stock air filter apart?

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1999 XLT F150 SC 4 X4 4.6 V8 Automatic, Electronic 4wheel drive 3.55 LS Tow pack
Style-side, Amazon Green, Skid plates, Engine heater, Westin nerff bars, ARE lid.
Prime Design Bugshield, K&N filter.
Pending: Super Chip, Air Raid




[This message has been edited by peterjan (edited 07-27-1999).]

 

peterjan, Look on the F150online home page.On the bars look under tech articles.There is a cheap modification to the stock airbox that gets similar results as airraid and k&n .Also some pictures to see what it looks like.Works fairly well.Good luck ,mike150.

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------------------------- 99 SILVER XLT/REG.CAB/4.2/5SPD/3.55/K&N AIRBOX MOD/Rhino muffler/Westin black nerfs

 

Hey Mike150,
how much did you pay for that Rhino muffler? Did you install it yourself?

 

Noles Paid about 70.00 and had it installed 100.00 total.You can find ads in truckin mag. to see comparisons to flowmaster and dynomax.