Exhaust oprions - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 01-03-2011, 08:08 AM Thread Starter
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Exhaust oprions

right now my truck has the stock down pipe wich i believe is 3" with a 4" piece welded to it no cat no muffler exits right before the right rear tire. would it be in my best interest to put on a full turbo back 4" muffler or no muffler? im not worried about the sound because right now with nothing it sounds fine just curiuos about what will be best for performance?

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2004 Harley Davidson edition, Edge juice with attiude, work horse chip, 4" turbo back exhaust no cat or muffler, river city diesel egr cooler delete and up pipe, S&B Intake, Pro Comp level kit, Pro Comp twin tube steering stabilizer, Sinister coolant filter, smoked tails, smoked corners, Recon smoked cab lights, Pioneer dvd, 2 Kicker 10's
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post #2 of 5 Old 01-03-2011, 08:48 AM
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So do you have cat and muffler delete pipes? Or a stock down pipe with a 4" cat back with a cat delete pipe?

The stock system is a 3" down pipe to the flange, then 3.5" to the tail pipe. If you have the cat and muffler delete pipes, going to a 4" cat back, or 3.5"dp to 4" system, or a total 4" system, the only difference is more sound. If you get a bigger system you will lose some low end TQ, that is where the mpg is.

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post #3 of 5 Old 01-03-2011, 08:52 AM Thread Starter
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No cat no muffler

2004 Harley Davidson edition, Edge juice with attiude, work horse chip, 4" turbo back exhaust no cat or muffler, river city diesel egr cooler delete and up pipe, S&B Intake, Pro Comp level kit, Pro Comp twin tube steering stabilizer, Sinister coolant filter, smoked tails, smoked corners, Recon smoked cab lights, Pioneer dvd, 2 Kicker 10's
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post #4 of 5 Old 01-03-2011, 08:56 AM
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post #5 of 5 Old 01-03-2011, 09:17 AM Thread Starter
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What do you consider stock ive got an intake, egr delete, up pipe, edge, and workhorse chip

2004 Harley Davidson edition, Edge juice with attiude, work horse chip, 4" turbo back exhaust no cat or muffler, river city diesel egr cooler delete and up pipe, S&B Intake, Pro Comp level kit, Pro Comp twin tube steering stabilizer, Sinister coolant filter, smoked tails, smoked corners, Recon smoked cab lights, Pioneer dvd, 2 Kicker 10's
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