I got the muffler installed with dual exits out the back with 3 1/2" by 22" chrome slash cut tips and it is amazing. I can't help myself from flooring it to hear the rumble. I've burned 1/2 tank of gas in 2 days but its worth it I'd recommend this to ANYONE. Its an awesome and reasonably cheap mod. (I payed $259.80 for everything)

 

Sound's great!
I have a few question's for ya.
Do you have any in cab droan?
Can you hear it when just crusing at steady speed & what about highway crusing ?
I'm tossing around changing my exhaust & what you did is 1 of my option's.
I drive alot of mile's & I don't want to hear to much of it unless I get on it.
Thanks
Mike

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2001 Supercrew XLT 4X4
BLACK W/DARK GRAPHITE
5.4 EFI V8
17" 10 SPOKE'S
3.55 LIMITED SLIP
ENGINE BLOCK HEATER
SKID PLATE'S
POWER MOONROOF
SLIDING REAR WDW.
TRAILER TOW PKG.
BED EXTENDER
CLOTH CAPTAIN'S CHAIR'S
STAINLESS STEP BAR'S
GIBSON SWEPTSIDE
WINDOW TINT
VENT VISOR'S
LINE-X-BED LINER
FORD MOLDED MUD FLAP'S
K&N FILTER
HUSKY FLOOR LINER'S
HEADLIGHT/FOG SWITCH MOD.
BFG 265/70/17 AT/KO
STAMPEDE BUG SHIELD
WEATHERTEC WDW. VISOR'S

 

There is some drone but its minimal and only when my rpms are up. When I was driving on the highway I was only getting drone when I was passing or getting a heavy foot. At normal crusing speed with the radio at a normal level (which isnt that loud for me) I can barely hear anything.

 

Good to hear you like your DeltaFlow. I just ordered mine a couple of days ago, and I can't wait. I, however, am going to just add a turndown right at the exit of the muffler. The sound is incredible (hard to go through a drivethru at McDonalds, though)! Does anyone know if this will effect HP/torque? If the sound is like I think it will be, I don't care!

 

Do they look like mine?


i know mine are delta flows but im not sure what series they are? they are one chamber though!

these mufflers sound great almost as good as my straight pipes

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97 4x4 Off Road Package 4.6l, Flareside S/C Dark Toreador Red
>17’wheels Bridgestone Dueler A/T’s
>True Dual Exhaust w/ 5’ tips
>Uniden XL510 CB
>Rear Blackouts
>Westin Stepbars (black)
>Lund Wiper Cowel
>Side Window Louvers
>K&N Filter
>Tinted Windows (5%)
>Ventshades
>Dual Antennas
>Flowmaster Delta Flow Mufflers


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