flowmasters with turbo mod motor? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 13 Old 06-12-2012, 08:45 PM Thread Starter
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flowmasters with turbo mod motor?

I have my roush side exhaust with flowmasters in them can you use that style of a mufflers for a turbo car? I have the roush side exit exhaust skirts so I kinda need the tips in their or it looks lol I'm thinking ill run single the y it for where the old X pipe was to the mufflers I have unless I cant use them. Kinda sucks I have $700 bucks in the roush kit and would like to continue to use it lol thanks for the advice


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post #2 of 13 Old 06-12-2012, 08:48 PM
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From what i hear you shouldnt run a chambered muffler with a turbo...it hurts HP and spool up etc...I had flowmaster exhaust i got rid of it and went with Bassani race mufflers...straight thru design,is the best you can use...


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post #3 of 13 Old 06-12-2012, 09:26 PM Thread Starter
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well damn that kinda blows, so basically any strait through muffler will work then?

1999 auto turbo buld! Precision PT7675 CEA
MMR 4.75 se stroker bullet oil pump 9:1 compression notched pistions MMR stage 3 turbo cams, livernois stage 3 heads ARP everything cricle D triple disk 3800 stall 6pt cage full adj suspension just a street car
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post #4 of 13 Old 06-12-2012, 09:31 PM
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well damn that kinda blows, so basically any strait through muffler will work then?
Yeah Basically...thats what i was told when i went turbo a few months ago...

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post #5 of 13 Old 06-12-2012, 10:23 PM
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Any chambered muffler will definitely affect power output, but if your car is just a street car and you like how they sound, keep them on. Your car will still run fine. If the extra 20-30hp is worth it to you, then switch them out for some straight-through mufflers.

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post #6 of 13 Old 06-17-2012, 02:46 PM Thread Starter
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Any chambered muffler will definitely affect power output, but if your car is just a street car and you like how they sound, keep them on. Your car will still run fine. If the extra 20-30hp is worth it to you, then switch them out for some straight-through mufflers.
yeah it will be a street car ut will go to the track as offten as my $$ alous me to lol. Will it sound like crap with the turbo and chambered muffler?

1999 auto turbo buld! Precision PT7675 CEA
MMR 4.75 se stroker bullet oil pump 9:1 compression notched pistions MMR stage 3 turbo cams, livernois stage 3 heads ARP everything cricle D triple disk 3800 stall 6pt cage full adj suspension just a street car
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post #7 of 13 Old 06-18-2012, 01:14 AM
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yeah it will be a street car ut will go to the track as offten as my $$ alous me to lol. Will it sound like crap with the turbo and chambered muffler?
I have knock off flows same muffler the car is very quiet! Sounds like a mustang with all 4 cats.. I also have a cut out the car is totally different beast with it open so flows will hurt your power but just throw a cut out and you'll be fine

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post #8 of 13 Old 06-18-2012, 04:10 PM
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Any chambered muffler will definitely affect power output, but if your car is just a street car and you like how they sound, keep them on. Your car will still run fine. If the extra 20-30hp is worth it to you, then switch them out for some straight-through mufflers.
I long lost the dyno graphs but seen a much bigger change in power when switching off flowmasters on a turbo car. It was a rather significant gain by going off them. With that said though, I kind of like the sound of turbo mustangs with flowmasters. I will dare say it is quieter than a stock mustang.


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post #9 of 13 Old 06-18-2012, 04:28 PM
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With that said though, I kind of like the sound of turbo mustangs with flowmasters. I will dare say it is quieter than a stock mustang.
I concur. I love the way mine sounds with Flows. I'll probably still ditch them eventually though.

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post #10 of 13 Old 06-18-2012, 06:29 PM
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i had flowmasters with the turbo and it sounded pretty good but was too quiet for me. I tried it with a single cat as well and that was like driving around in a prius


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post #11 of 13 Old 06-19-2012, 10:03 AM
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The bigger concern with a chambered muffler other than power loss is the increase in back pressure and heat. Under boost they are more restictive and will increase exhuast gas temps and eveything from the turbo to cylinder heads will run hotter.

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post #12 of 13 Old 06-19-2012, 10:23 AM
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So long as the car is tuned for the combination(which includes the restrictive exhaust) then I do not see that being an issue. Basically means don't try making more power than the weakest link will allow or you will break things.

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post #13 of 13 Old 06-21-2012, 10:33 PM Thread Starter
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well I would like to keep it somewhat quite but maybe Ill put in a cut out for when I need it opened up to really run

1999 auto turbo buld! Precision PT7675 CEA
MMR 4.75 se stroker bullet oil pump 9:1 compression notched pistions MMR stage 3 turbo cams, livernois stage 3 heads ARP everything cricle D triple disk 3800 stall 6pt cage full adj suspension just a street car
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