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01-16-2010, 07:08 AM | #1 |
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What should i expect if I
Hey guys i'm in the market for an exhaust system, but just like all the rest i want no drone since this is my dd and i have 2 kids and a wife.
My question to you experts is what would i get if i change only the mid section (xpipe) where the pipes look triangular to an aftermarket unit like the AA or any other system out there? Remember i'm keeping the rear section stock oem Would hp or torque change ? Would sound change in cabin or outside ? thx for your responses. Last edited by stryker1; 01-16-2010 at 11:31 AM.. |
01-16-2010, 11:23 AM | #2 |
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AA exhaust has drone around 2k, not much anywhere else. Added to Fabspeed HFC and x-pipe, noise (or should I say music) is slightly louder with light acceleration, slightly quieter when cruising at 70-80 mph, significantly louder (or should I say more beautiful) when accelerating hard . With the Fabspeed, car pulls much harder throughout the RPM range
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'08 M3 JB DCT Coupe /// DTEC Cree LED Angel Eyes / Mtech Super White Cornering Lights / Matte Black Kidneys & Gilles / 35-40% FormulaOne Pinnacle / VRS Boot / VRS II Diffuser / AA exhaust / Fabspeed HFC & X-pipe / Eibach Springs / RDSport Front Bumper / 19" Satin Charcoal HRE P40 / RPI Scoops / PSW (Non-electronic) / BMW Stainless Steel Pedals / LeatherZ Alcantara Boots
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01-16-2010, 03:12 PM | #3 |
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OEM Axle back and aftermarket midpipes is loud and sounds like crap. It gets like a chainsaw 2 literbike
Depending on the aftermarket exhaust design with midpipe it could remain sort of quiet and docile or super loud From my experience Remus has a lot of drone and is too loud with mids. But Agency Power is tame and controllable Maybe go for Borla, Bastuck, or Titanium systems to stay on the racey quiet side. Only get loud if they are in a high rev range. |
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01-16-2010, 03:25 PM | #5 |
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Gintani has multiple X-pipes you can choose from. They have no cats or 300cpi HFC mixed with no resonators to up to 4 resonators.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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01-16-2010, 10:33 PM | #7 |
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I think you can get a Gintani x-pipe and keep the OEM exhaust for good HP performance. you can expect about 15-20 HP increase.
If you want a full exhaust system then I think for a DD you should get a Akrapovic Both of these systems don't have drone
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01-20-2010, 01:18 PM | #8 | |
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Quote:
rwhp gains for just the Fabspeed X-pipe was in the region of 15 to 20 rwhp. |
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01-20-2010, 01:46 PM | #9 |
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My honest advice is if you are worried about loudness and drone to just remain stock. I don't think you will get much HP gain by adding an X pipe and keeping the restrictive OEM muffler.
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