Hey guys this is my first post, i just got a 2001 f150 5.4l 4x4. I only have 348 miles on it but i want to throw a diffrent exhuast. Does anyone know who makes some long tubes headers, or some sort of x,h-pipes to get these things sounding better. I had a 99gt with offroad h-pipes, flowmaster 40 series and that thing sounded sweet. Any Suggestions?

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2001 WEDGEWOOD BLUE F150
4X4

 

Probably get a better response on the exhaust and exhaust system boards. also, you can do search on long tube and h-pipe.

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98 Nascar Edition, Superchip, Airaid, Flowmaster 70 series, bedliner, in bed tool box, Profile bug deflector and window vents, Class III receiver hitch.

 

I've never seen a post or a company that offers long tube units for that application. You could look at popular units from JBA, Gibson, and Bassini (equal length). The X and H pipes are usually custom installed from universal or adapted kits. Summit sells a H-kit, magnaflow sells the Xs, to name a couple; many others do too. Click here www.magnaflow.com/03hardware.htm Welcome to the sight, there are tons of great exhaust post of "every" type you can search

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2000 F-150 XL, RC, LB, 5.4L, 4R70W, 4.10LS,
Class III tow, Payload #3, & Convenience pkgs.,
4-wheel disc/ABS, Chestnut/Parchment 40/60,
Ford bedliner w/Paintsaver & gas/wheel/spare locks,
K&N F.I.P.K. w/Outwears pre-filter, Superchip,
Dynomax ultra-flow welded 3" cat-back w/ 3" Y-pipe,
Hellwig front & rear anti-sway bars, Rancho RS 9000s,
Pirelli Scorpion Zero 275/60/16s, Mobil 1, K&N oil filter.