Which Flowmaster Muffler?

[prez1967]

My truck needs catalytic converters so I'm planning on deleting the Pre-Cats and having some Magnaflow 94306 Cats put in. I figure "while I'm in there" i'll have a flowmaster muffler put in.


Does anyone have a part number handy on which muffler I need for the job? I know its the 2.5" muffler I need but a part number would be helpul as they have different intake/exit mufflers available.

Also, my truck is a 2006, am I correct in my research that deleting the pre-cats will not throw a CEL?

 

[thenaaks]

If you're open to other brands of muffler, you should consider Borla. All stainless steel construction, million mile warranty. Flow better than a flowmaster, and sound better (imo). 40352 is the part number I used. I can't offer any insight on the pre cats. But i have a feeling that it might set the CEL, as less catalyzing will be done before the exhaust hits the main cats.

 

[AbelNavyvet]

My choice is Magna Flow. the aggressive magna flow muffler (part#12256) is loud but not too loud. you could hear me come down the road if I step on it. brings out the headers that's a fact..

Y don't you just install the magna flow cat system that's what I have on my 06 Exp.

 

[prez1967]

Got any part numbers for the magnaflow cats?

 

[AbelNavyvet]

MagnaFlow 49 State Converter #93126 and MAGNAFLOW #93125 FORD EXPEDITION 5.4L CROSSOVER PIPE they run for both $670.42 "BUT" you will feel a difference.... I love mine...