hey whats up i got a true dual borla exhaust right now and i was wondering what i could do to make it louder

truck is a 2005 5.4

 

hi-flow cats.

 

that is what i was thinking, do they really help with making it louder and performance

 

Performance a little bit, sound very much more sound, loud enough to keep up with the Chevys sounds. Ford OEM cats are very restricted/resonant. Magnaflow cats part #s 94306, 94006, and 94106 will work properly on your truck. Depending what model cats you have ( 2 big cats or the 4 12" cats ) the rear O2 will need to me mounted after the hi-flows.

 

thanks for the help, what do you think is a fair price for the cats and install

 

$67 - $84 each, $50 or so installed, or trade them your stock cats because the metals inside them ( Rhodium & platnum ) are in a pretty good value.

 

alright thanks man, ill post videos when i get them

 

hey since i have 4 cats would i need to buy 4 replacements

 

No, you can replace the 4 stock cats with 2 high flows.

 

want it louder, get those 2 hi flows and cut the mufflers off

 

You only need 2 aftermarket cats, unless your inspection/emissions says you need the amount that it originally came equipped for.

 

Headers=done

 

hey does anyone have a link were a can buy them, i went to my shop that did my exhaust and they wanted $1,000 to do it

 

headers or hi flow converters?

converters just get on ebay and look for a warehouse that sells them for 65.10 a piece, thats where i got mine, 94106 is the loudest converter magnaflow makes, i think you can order from performancepeddler for a little cheaper, im not sure but ebay got mine here in 3 days and they were really magnaflow 94106