My buddy had a 00 f150 5.4 with the cats cut off with straight pipe in there and run true dual 2.5in pipes all the way back with glasspacks and 3.5in tips.On my 99 with 5.4 ,I had all my stock cats with 2.5in true duals run all the way out the back with no mufflers and 3.5in tips and when we would run next to each other I couldn't even hear my exhaust over his it was so loud.It was way to loud for me but he loved it.The cops pulled him over all the time so he ended up throwing regular mufflers on there and it was still loud.He also said when he drove the highway that it gave him headaches also.I never had that problem with mine so I would say you wouldn't even need to run headers just cut your cats off and run true duals with some type of mufflers whether it was the dynomax bullets or single chamber flows or single chamber cherry bombs just as long as you run true duals, not some 1into 2 setup if you want it loud.
spintech says that their mufflers are louder... well their pure race stuff.... 2 spintech race mufflers with no cats ran out in front of the tire..... wow
The loudest you can get would be straight pipes and headers. No cats and no mufflers. Wouldn't be good at all for perfomance and the truck would be a slug with no get up and go.
The loudest you can get would be straight pipes and headers. No cats and no mufflers. Wouldn't be good at all for perfomance and the truck would be a slug with no get up and go.
interesting. i was behind a dodge ram in a drive through once and i could easily tell he had cut his cats, it smelled pretty strong of gas exhaust.
my back 2 cats are coming off soon, since i have 4.
It will smell like an old muscle car... Not that I'd know from experience or anything... But to the OP, run no cats and no muffler. It will sound amazing.
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Originally Posted by RockPick
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i'm cutting my back to off monday. and just weld a piece of pipe in there place until i get miney to cut a section out and buy mufflers. and see if it will really throw a code or not with the sensors in the back just unhooked cause i can turn that off with my programmer, and get the 10 seies flowmasters, the cherry bomb will be loud to but i know people with em and flowmaster has more of a sound good loud insted of an obnoxious racket loud wich wouldnt bother me but..
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cutting the cats off and running headers to 2 mufflers, i just wanna know what is THE ABOSOLUTE LOUDEST muffler i can buy, i know there is a sound good loud and an obnoxious loud but i want to know either way what kinda muffler i can put on that will wake people up and make cops pull me over?
290 bucks go to jegs and get the borla multicore xr-1 you will love it!!! put turndowns on it too
SLP loudmouth 1 shotgun resonator, just enough to shape the sound over straight pipes!
__________________ 2006 F150 XLT 5.4 4x4 Performance: Cheap ebay CAI w/ K&N filter, Delta Force tuning Exhaust: Stock manifolds, NO cats, 2.5" true duals, Magnaflow X pipe, Original 40 Series Flowmasters, 3.5" stainless tips Other mods: Nathan Airchime K3LA locomotive horns Exhaust videos: Idle, rev and hammer it! Cruising by Pulling up to an idle Inside accelerating and cruising
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But to the OP, run no cats and no muffler. It will sound amazing.
by Dirtyd88 @ screenfx
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