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Old 11-24-2011, 11:17 AM   #1
Fernando_221
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2.5" quietest exhaust configuration

Hi,

What mufflers should I have to get a very quiet exhaust system with 2.5" tubbing??
My car has the OBX header with stock exhaust (no cat) and I'm building a new exhaust with two Magnaflow 2.5" mufflers, one 10436 (4" x 22") and one 14616 (6" x 20"). Do you think it will be a quiet exhaust or a very loud exhaust?? Any suggestions?

Thank you!


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Old 11-24-2011, 11:55 AM   #2
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Without looking the magnaflow #'s up, I'd say yeah, that would really help to calm the noise down. I'd go for 2 of thou's 14616's 6''x20'' right after the flex & use the 10436 in the stock location. You are using a tune, huh?
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Old 11-24-2011, 04:25 PM   #3
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ive got a muffler 14" resonator and a HFC. id imagine if i replace the resonator with a cat it would be really quiet.
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Old 11-24-2011, 08:34 PM   #4
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Quote:
Originally Posted by felixthecat View Post
Without looking the magnaflow #'s up, I'd say yeah, that would really help to calm the noise down. I'd go for 2 of thou's 14616's 6''x20'' right after the flex & use the 10436 in the stock location. You are using a tune, huh?
I think the 10436 wont fit on the stock location, it's too long. This will be right after the flex, on the straight. The 6x20 will be at the stock location.

Yes, I'm using SCT. The car has OBX header 4x1, SWR Cams (280 degree x .380 lift) and K&N inbox filter.
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Old 11-24-2011, 09:11 PM   #5
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The 6" x 20" won't fit in the stock muffler location. 6" x 14" will though.
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Old 11-25-2011, 12:38 AM   #6
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The 6" x 20" won't fit in the stock muffler location. 6" x 20" will though.
uhhhhhhmmm.... may want to check this one over...maybe
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Old 11-25-2011, 03:13 PM   #7
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uhhhhhhmmm.... may want to check this one over...maybe
lol. My bad. I meant 6"x14" will.
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Old 11-25-2011, 04:46 PM   #8
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6x20 fits in the center i have a 26" body for my turbo set up. but two 14" vibrants or maganflows will be quite even with headers and no cat. the 4x22 wont fit in the back left side.
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Old 11-27-2011, 12:46 PM   #9
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The exhaust that I have now is FWerk's header/ stealth muffler & magnaflow 12646= 6'' diameter same as stealth & 18'' body lenght right after the stealth one & a the rest of the Borla exhaust. I know a mess of mixed manufactors, but it work's & sounds great= far from rice here.
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Old 12-04-2011, 02:14 AM   #10
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Edit: Doh! I thought you had a 2.5 liter, not a 2.5" exhaust. Sorry!
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