whats a good exhaust setup for 331 w/ strim?

kreymis

Member

May 27, 2009

93

0

7

peekskill, ny

Nov 7, 2009

#1

• Nov 7, 2009

• #1

i currently have bbk 1 5/8 shorties a bbk 2 1/2 x pipe with high flow cats and and 3 chamber flowmasters. i want to keep the mufflers but i think that the others are restricting me especially the cats. should i go bigger on the headers as well. the car has no egr so will 79-93 style headers fit?

 

T

turbogt

Member

May 1, 2003

723

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19

Montana

Nov 7, 2009

#2

• Nov 7, 2009

• #2

at this point, the 3 chambers are most definitely your most restrictive part.. Flowmasters don't flow ****... Unless you changed catbacks, I don't think you would really gain anything by changing headers..

 

kreymis

Member

May 27, 2009

93

0

7

peekskill, ny

Nov 8, 2009

#3

• Nov 8, 2009

• #3

so an offroad x or h pipe and 2 chamber mufflers??

 

4Jenna

Founding Member

Sep 12, 2001

4,326

6

69

AZ

Nov 8, 2009

#4

• Nov 8, 2009

• #4

1 3/4 LT's and a offroad h/x would help a good bit.

 

revhead347

Apparently my ex-husband made that mistake.

20+ Year Stangneter

Jun 14, 2004

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Acworth, GA

Nov 8, 2009

#5

• Nov 8, 2009

• #5

Agreed, I would step up to the Mac 1 3/4 headers with an offroad intermediary. You are really going to have to get away from the Flowbastards to free up the exhaust though. If you go to a straight through muffler vs a chambered one, you are going to free up some HP.

Kurt

 

kreymis

Member

May 27, 2009

93

0

7

peekskill, ny

Nov 8, 2009

#6

• Nov 8, 2009

• #6

any setups out there that flow good and keep the noise down? maybe in a perfect world. my car is too loud as it is.

 

revhead347

Apparently my ex-husband made that mistake.

20+ Year Stangneter

Jun 14, 2004

9,301

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Acworth, GA

Nov 8, 2009

#7

• Nov 8, 2009

• #7

The best setups in my opinion are the UltraFlow SS setup and the Magnaflow setup. The UltraFlow SS catback is $349 on Jegs and Summit. They are nice and quiet when you aren't getting on it. When you get on it, it's a bit loud though. I don't think anything is going to fix that on a Mustang. None of that 2100 rpm drone that drives you crazy on the highway though. Just did one on a Cobra with longtubes, and it sounds really good.

Kurt