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Tech Forum : Magnaflow, Dynomax, or stock???

- BMW E21 Community
   - Tech Forum
      - Magnaflow, Dynomax, or stock???
  Posted Tuesday, Jun 19th 7:48pm [Edit] [Quote] [IMS] [View car]

Post nr. 1283


I dont want my Baur to sound like a mustang or a rice cooker!!!

What exhaust mufflers should I go with. Dynomax is known for being quiet, but Magnaflow has the circular shape that mimicks stock.

Please help me keep my ride from sounding pimp'd up.

  Posted Wednesday, Jun 20th 5:54am [Edit] [Quote] [IMS] [View car]

Post nr. 1133


I am starting to think about the same. A buddy has redone his M Coupe with Magnaflow and it sounds very good. Not ricey.

  Posted Wednesday, Jun 20th 6:06am [Edit] [Quote] [IMS] [View car]

Post nr. 192


Dynomax 17-141 super turbo muffler is a good choice, it's round and fits in the stock location with little effort. It's a reverse flow with rounded diverters in the ends to guide the gases for better flow. It has a nice deep tone with no ricyness at all.

The Dynomax 17-230 is a 6" straight through race muffler, I use one on my warmed up 2.0L in my '82 with an Edelbrock RPM muffler in the resonator location. This combination shows no loss in power over straight through pipes, the muffler cores are perforated-not louvered. It sounds REALLY good.

These are all 2.5" in and out and when used with a custom mandrel bent exhaust they work great.

ken

  Posted Wednesday, Jun 20th 7:56pm [Edit] [Quote] [IMS] [View car]

Post nr. 1285


BruceH wrote:
I am starting to think about the same. A buddy has redone his M Coupe with Magnaflow and it sounds very good. Not ricey.


Bruce...dont you have headers with stock pipes?

I thought you were happy with that. Why the change?

Ken,

I there a way to keep the stock E21 chrome tips on these without restricting flow?

  Posted Thursday, Jun 21st 3:15am [Edit] [Quote] [IMS] [View car]

Post nr. 1286


KenDanielson wrote:
Dynomax 17-141 super turbo muffler is a good choice, it's round and fits in the stock location with little effort. It's a reverse flow with rounded diverters in the ends to guide the gases for better flow. It has a nice deep tone with no ricyness at all.

The Dynomax 17-230 is a 6" straight through race muffler, I use one on my warmed up 2.0L in my '82 with an Edelbrock RPM muffler in the resonator location. This combination shows no loss in power over straight through pipes, the muffler cores are perforated-not louvered. It sounds REALLY good.

These are all 2.5" in and out and when used with a custom mandrel bent exhaust they work great.

ken


Ken,

I have looked in Froogle, Jegs, eBay, and other sites and cannot find the 17-141 model. Can you confirm that model number and info, please.

  Posted Thursday, Jun 21st 4:50am [Edit] [Quote] [IMS] [View car]

Post nr. 192


Sorry, I couldn't read my own notes correctly...

17-741 is the correct number.

ken

  Posted Thursday, Jun 21st 7:17am [Edit] [Quote] [IMS] [View car]

Post nr. 1134


Nope, pure stock exhaust for me.

  Posted Thursday, Jun 21st 6:16pm [Edit] [Quote] [IMS] [View car]

Post nr. 1287


Thanks Ken......that was it. Got two of them for $88.00 including shipping.


  Posted Sunday, Jul 15th 12:11am [Edit] [Quote] [IMS] [View car]

Post nr. 343


Can I ask where you got them at? Price sounds reasonable.

  Posted Sunday, Jul 15th 1:57am [Edit] [Quote] [IMS] [View car]

Post nr. 1317


Summit Racing

  Posted Monday, Jul 16th 2:02am [Edit] [Quote] [IMS] [View car]

Post nr. 11


they are $50 each now from summit...

there is a company named walker that makes these also... i think they are just rebadged dynomaxs? they even have the same Part number.

$35 each http://autotruckpart.com/product.php?productid=156312

nvm don't buy from there.. bad feedback http://www.starquestclub.com/forums/viewtopic.php?p=550396&sid=3f66278d2733297c320d180c1aca6392


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