Upgrades and Aftermarket - 7.3L EngineUpgrading and adding aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
they sound good, I think the turbo guys will tell you a muffler with chambers like a flowmaster is not the best for making boost. I have a friend with a magna-flow muffler on his six liter and it sounds very good.
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2000 f350 7.3 crewcab 4x4 lariat with cloth seats.
You should not run an ordinary FlowMaster muffler on a diesel.
But FlowMaster now makes a special diesel performance muffler that might be okay. They come in 3.5" inlet/outlet for stock exhaust systems, or in 4" inlet/outlet for custom exhaust systems.
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My Sierra Blanca is a '99.5 PSD CrewCab hot-rod Towing Machine! BTS tranny; Ford Severe Duty Air Induction System (AIS); 4" stainless turbo-back exhaust; DP-Tuner tunes flashed into an Edge Evolution tuner; ISSPRO EV gauges and Turbo Temp Monitor (TTM); Auxiliary Idle Controller (AIC); SP-Diesel exhaust brake and torque converter controller. Top Job front end replacement. I special-ordered it new and plan to drive it until it quits.
[ QUOTE ]
You should not run an ordinary FlowMaster muffler on a diesel.
But FlowMaster now makes a special diesel performance muffler that might be okay. They come in 3.5" inlet/outlet for stock exhaust systems, or in 4" inlet/outlet for custom exhaust systems.
[ QUOTE ]
You should not run an ordinary FlowMaster muffler on a diesel.
But FlowMaster now makes a special diesel performance muffler that might be okay. They come in 3.5" inlet/outlet for stock exhaust systems, or in 4" inlet/outlet for custom exhaust systems.
Yes - the 4" delta force race muffler is what I have...Flowmaster is 5 miles away from my shop and we have been doing R&D with them for years...my boss got their first PSD exhaust system prototyped on his excursion.
I have always heard the Flow Master mufflers suck for a turbo diesel. The dodge boys on TDR have nothing but bad things to say about them. I have no self experience with them on a diesel myself.
I do know for a gasser you cant find a better muffler at any price.
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