Stock muffler mod out there?

ScottinSSMD · 10-14-2010, 11:44 AM

Pulling the stockers back off this weekend to permanently weld the tops on. Will weigh and also take pics of the innards. Will most likely do some porting/hole cutting while in there.

Their piping is just as the Warlocks in the link two posts up, just without the dumps.

Did the SCCA at FedEx for a couple of years with my 03 Cobra. Once I found Summit, I never went back. May make an honest attempt to return next year with the M, but won't sign up for the entire year as my car was down more than it was running so I ended up paying for days I couldn't get to, etc.

O-cha · 10-15-2010, 10:32 PM

Quote:

Originally Posted by ScottinSSMD

Their piping is just as the Warlocks in the link two posts up, just without the dumps.

Wait, what? They are chambered? I thought I remembered them being nearly straight through.

ScottinSSMD · 10-31-2010, 09:52 AM

Going custom setup with Magnaflow #14815. Should be here by week's end then off to the bending shop to custom fit. Will decide on the resonator AFTER I hear the new sound.

nlink720 · 10-31-2010, 12:25 PM

Cool. I did a muffler delete, but am gound to return to oem muffler. Perhaps I will wait to are what you think about the magnaflow first. Many people seem to like the 14815 across the BMW spectrum.

Z4-VILLA · 10-31-2010, 09:59 PM

just get RPI's

ScottinSSMD · 11-01-2010, 09:51 AM

Meh, the only options avail for us are either heavy and expensive. Or raspy. Just not for me.

ScottinSSMD · 11-11-2010, 06:06 AM

Went completely custom. Picked up the Magnaflows and when we layed it out and talked about the resonating, etc. I was convinced to go a different route.

Aero Turbine #2525, custom stainless steel piping and stainless steel oval tips! Yes, I will put up pics and a vid within the next couple of days if you are interested. The bottom line is it is exactly what I wanted. Louder and deeper than stock but less volume and raspyness than muffler delete.

Also, the exhaust tech says the stockers aren't worth gutting and reworking the inards.

nlink720 · 11-11-2010, 08:51 AM

Cool.

What were some of the tech's reasons against the Magnaflow as a resonator?

Thanks

Incompatible · 11-11-2010, 10:26 AM

Quote:

Originally Posted by ScottinSSMD

Aero Turbine #2525, custom stainless steel piping and stainless steel oval tips! Yes, I will put up pics and a vid within the next couple of days if you are interested. The bottom line is it is exactly what I wanted. Louder and deeper than stock but less volume and raspyness than muffler delete.

How's the interior resonance at freeway speeds?

ScottinSSMD · 11-11-2010, 11:01 AM

Weight, size, construction were the main reasons for not sticking with the magnaflows, specifically for my car. They stock tons of magnaflow mufflers, etc. just wasn't the right fit for my goal.

There is no real drone on the interior. Because the note is so low, I didn't find any issues on the highway ride back home. Much easier to live with than the muffler delete.

Z4Murder · 11-11-2010, 11:37 AM

looks good! some more ass shots?

johanness · 11-11-2010, 02:22 PM

X2 ^^What he said

ScottinSSMD · 11-11-2010, 03:29 PM

Z4MHawk · 11-11-2010, 04:59 PM

Looks really clean!

Who was the manufacturer for the tips? OEM Pipe diameter or did you have to use a reducer?

ScottinSSMD · 11-13-2010, 07:11 AM

The tips are resonated stainless steel. They had shelves upon shelves of tips. Not sure of the brand. Since it was custom it was factory pipe size, all tig welded. I will most likely search for a rectangle black tip as I want to continue the black out theme. This is what we came up with out of his stock.

Incompatible · 11-13-2010, 11:21 AM

Quote:

Originally Posted by ScottinSSMD

....There is no real drone on the interior. Because the note is so low, I didn't find any issues on the highway ride back home. Much easier to live with than the muffler delete.

Just to clarify your comment on drone/resonance. If you compare the drone/resonance to the factory setup, how would you rate it? I would think that almost anything would be better then the muffler delete in terms of drone. TIA

3002 tii · 11-13-2010, 12:18 PM

Nice and clean, If it were me I'd try to raise the tips/muffler more and close the gap between the bumper

Btw are those overlays or did you spray your tails?

txz4 · 11-13-2010, 03:20 PM

vid please!!!!

ScottinSSMD · 11-16-2010, 08:47 AM

Quote:

Originally Posted by Dubbedown

Nice and clean, If it were me I'd try to raise the tips/muffler more and close the gap between the bumper

Btw are those overlays or did you spray your tails?

Good eye. It was actually fabricated closer to the upper side but we decided after the welding to add rubber grommets at the mount points to reduce vibration, hence the 1/2" larger space than what you may have expected. Easily removed if it bothers me but looks fine in person.

Laminx overlays.

ScottinSSMD · 11-16-2010, 08:51 AM

Quote:

Originally Posted by Incompatible

Just to clarify your comment on drone/resonance. If you compare the drone/resonance to the factory setup, how would you rate it? I would think that almost anything would be better then the muffler delete in terms of drone. TIA

Drone/resonance to factory stock I would say it's 2-3. Some sound but it is what I was looking for. I couldn't hear stock.

ZStig · 11-16-2010, 10:23 AM

Quote:

Originally Posted by ScottinSSMD

Drone/resonance to factory stock I would say it's 2-3. Some sound but it is what I was looking for. I couldn't hear stock.

you can hear it with the top down

10-14-2010, 11:44 AM	#23
ScottinSSMD Looking for a track car 4 Rep 242 Posts Drives: 2006 325xi wagon Join Date: Sep 2008 Location: Silver Spring, MD iTrader: (2) Garage List 2006 325xi [0.00]	Pulling the stockers back off this weekend to permanently weld the tops on. Will weigh and also take pics of the innards. Will most likely do some porting/hole cutting while in there. Their piping is just as the Warlocks in the link two posts up, just without the dumps. Did the SCCA at FedEx for a couple of years with my 03 Cobra. Once I found Summit, I never went back. May make an honest attempt to return next year with the M, but won't sign up for the entire year as my car was down more than it was running so I ended up paying for days I couldn't get to, etc. __________________
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10-31-2010, 09:52 AM	#25
ScottinSSMD Looking for a track car 4 Rep 242 Posts Drives: 2006 325xi wagon Join Date: Sep 2008 Location: Silver Spring, MD iTrader: (2) Garage List 2006 325xi [0.00]	Going custom setup with Magnaflow #14815. Should be here by week's end then off to the bending shop to custom fit. Will decide on the resonator AFTER I hear the new sound. __________________
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10-31-2010, 12:25 PM	#26
nlink720 Second Lieutenant 20 Rep 231 Posts Drives: 2004 BMW Z4 Roadster Join Date: Jan 2008 Location: Maryland iTrader: (3)	Cool. I did a muffler delete, but am gound to return to oem muffler. Perhaps I will wait to are what you think about the magnaflow first. Many people seem to like the 14815 across the BMW spectrum. __________________ FS: Leather Recaro Pole Position Seats & Hardware Last edited by nlink720; 10-31-2010 at 09:55 PM.. Reason: part# backwards
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10-31-2010, 09:59 PM	#27
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	just get RPI's
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11-01-2010, 09:51 AM	#28
ScottinSSMD Looking for a track car 4 Rep 242 Posts Drives: 2006 325xi wagon Join Date: Sep 2008 Location: Silver Spring, MD iTrader: (2) Garage List 2006 325xi [0.00]	Meh, the only options avail for us are either heavy and expensive. Or raspy. Just not for me. __________________
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11-11-2010, 06:06 AM	#29
ScottinSSMD Looking for a track car 4 Rep 242 Posts Drives: 2006 325xi wagon Join Date: Sep 2008 Location: Silver Spring, MD iTrader: (2) Garage List 2006 325xi [0.00]	Went completely custom. Picked up the Magnaflows and when we layed it out and talked about the resonating, etc. I was convinced to go a different route. Aero Turbine #2525, custom stainless steel piping and stainless steel oval tips! Yes, I will put up pics and a vid within the next couple of days if you are interested. The bottom line is it is exactly what I wanted. Louder and deeper than stock but less volume and raspyness than muffler delete. Also, the exhaust tech says the stockers aren't worth gutting and reworking the inards. __________________ Last edited by ScottinSSMD; 11-11-2010 at 06:14 AM..
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11-11-2010, 08:51 AM	#30
nlink720 Second Lieutenant 20 Rep 231 Posts Drives: 2004 BMW Z4 Roadster Join Date: Jan 2008 Location: Maryland iTrader: (3)	Cool. What were some of the tech's reasons against the Magnaflow as a resonator? Thanks __________________ FS: Leather Recaro Pole Position Seats & Hardware
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11-11-2010, 11:01 AM	#32
ScottinSSMD Looking for a track car 4 Rep 242 Posts Drives: 2006 325xi wagon Join Date: Sep 2008 Location: Silver Spring, MD iTrader: (2) Garage List 2006 325xi [0.00]	Weight, size, construction were the main reasons for not sticking with the magnaflows, specifically for my car. They stock tons of magnaflow mufflers, etc. just wasn't the right fit for my goal. There is no real drone on the interior. Because the note is so low, I didn't find any issues on the highway ride back home. Much easier to live with than the muffler delete. __________________
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11-11-2010, 11:37 AM	#33
Z4Murder Major 28 Rep 1,110 Posts Drives: > speed limit Join Date: Apr 2010 Location: Buffalo, NY iTrader: (1)	looks good! some more ass shots? __________________ 2007 TiAg ///MCoupe * Dinan strut bars * ZHP knob * RPI scoop * Ultimate Pedals * RE Diablo * 3.91 TMS gears * Apex PS7 * Eventuri intake* Nitto NT05 * TMS pullies * Zeck CDV * RE tranny mounts * Tekarbon * Mstache 2 * '14 Jeep Grand Cherokee Overland Hemi... No more snow for the M!
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11-11-2010, 02:22 PM	#34
johanness Banned 56 Rep 1,739 Posts Drives: 2008 Z4MC Join Date: Aug 2010 Location: Seattle, Vancouver iTrader: (3) Garage List 2008 BMW Z4M COUPE [7.00] 2012 BMW X1 xDrive 28i [9.00]	X2 ^^What he said
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11-11-2010, 03:29 PM	#35
ScottinSSMD Looking for a track car 4 Rep 242 Posts Drives: 2006 325xi wagon Join Date: Sep 2008 Location: Silver Spring, MD iTrader: (2) Garage List 2006 325xi [0.00]	__________________
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11-11-2010, 04:59 PM	#36
Z4MHawk Private First Class 3 Rep 165 Posts Drives: '06 Z4 M Roadster Join Date: Feb 2009 Location: tulsa iTrader: (0)	Looks really clean! Who was the manufacturer for the tips? OEM Pipe diameter or did you have to use a reducer? __________________ '06 Z4 ///M Roadster: Silver Gray Metallic; Gray soft top. Zeckhausen CDV. ESS VT1 445 Supercharger. APEX ARC8's. Dunlap Direzza Star Spec's. Strong Struts. Royal Purple. RPI Exhaust w/ DKF hangers.
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11-13-2010, 07:11 AM	#37
ScottinSSMD Looking for a track car 4 Rep 242 Posts Drives: 2006 325xi wagon Join Date: Sep 2008 Location: Silver Spring, MD iTrader: (2) Garage List 2006 325xi [0.00]	The tips are resonated stainless steel. They had shelves upon shelves of tips. Not sure of the brand. Since it was custom it was factory pipe size, all tig welded. I will most likely search for a rectangle black tip as I want to continue the black out theme. This is what we came up with out of his stock. __________________
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11-13-2010, 12:18 PM	#39
3002 tii Lieutenant General 2282 Rep 12,565 Posts Drives: Z4 M, X5, GX460 Join Date: Apr 2008 Location: CT iTrader: (99) Garage List F15 X5 xDrive35i [8.75] E86 Z4 M [10.00] F10 550i (Retired) [9.17] F25 X3 xDrive35i (R ... [9.43] E82 135is (Retired) [9.50] E85 Z4 M (Retired) [9.41] E90 328i xDrive (Re ... [9.25] E86 Z4 3.0si (Retired) [9.22]	Nice and clean, If it were me I'd try to raise the tips/muffler more and close the gap between the bumper Btw are those overlays or did you spray your tails? __________________ Follow for latest mods
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11-13-2010, 03:20 PM	#40
txz4 Major 59 Rep 1,097 Posts Drives: 2006 M coupe Join Date: Oct 2010 Location: san antonio, texas iTrader: (3)	vid please!!!!
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