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I stuck a Magnaflow perforated core straight through muffler on my 88 528 turbo after work today. It seemed very similar to the glasspacks I had used on my old 85 528 back in the day, which sounded like complete crap. With that in mind, I did not expect it to work as well as it does. Its as quiet as a stock 528e single pipe exhaust at idle. Maybe quieter, if not just softer. At a cruise or under light acceleration its very reasonable. Close to stock. On full blast its still very subdued, though slightly louder than stock. I never expected it to work so well with nothing but pipe between the turbine and muffler. Just about 15 inches of Magnaflow does the trick. I cant recommend it enough.

Yes, it seems the more American parts we put on those fine German cars, the better they get!

Maybe I'll try autolite plugs next...

turbodan wrote:Maybe I'll try autolite plugs next...

auto lite pluggs F#*% that!!!!! when i got my 535 i couldnt figure out why it didnt idle smooth . after fresh fule and chevron techron injector cleaner in the gas and adjusting my air meeter wich help a bit but not enough to satisfy me. i got the wicked notion to pull my spark plugs * should have done this first.* theres god damn auto lite platnums in the poor thing . (stupid me for not checking them first) i go to the local parts store and get new {bosh super pluss} not platnums. to put in my car of course. but while im there i ask whats the price of these auto lite platnums " you can tell these pluggs are just cheap as shit" so any how the guy at the store says oh yea these are great pluggs much better than your bosch super because there platnums an that there auto lites. i told the guy that to hear him say that was strait up offensive rude dum and compleet bull shit . any how the pluggs cost like $ 2.25 each.. what cheap shity parts. any how my car ran sweet after i finaly got the new pluggs in.

zundfoldge wrote:

turbodan wrote:Maybe I'll try autolite plugs next...

auto lite pluggs F#*% that!!!!! when i got my 535 i couldnt figure out why it didnt idle smooth . after fresh fule and chevron techron injector cleaner in the gas and adjusting my air meeter wich help a bit but not enough to satisfy me. i got the wicked notion to pull my spark plugs * should have done this first.* theres god damn auto lite platnums in the poor thing . (stupid me for not checking them first) i go to the local parts store and get new {bosh super pluss} not platnums. to put in my car of course. but while im there i ask whats the price of these auto lite platnums " you can tell these pluggs are just cheap as shit" so any how the guy at the store says oh yea these are great pluggs much better than your bosch super because there platnums an that there auto lites. i told the guy that to hear him say that was strait up offensive rude dum and compleet bull shit . any how the pluggs cost like $ 2.25 each.. what cheap shity parts. any how my car ran sweet after i finaly got the new pluggs in.

Most of the board members prefer English.

Skeen wrote:Most of the board members prefer English.

LOL Skeen, do you even know what dialect that was? I meen dilekt that wuz?

turbodan wrote:I stuck a Magnaflow perforated core straight through muffler on my 88 528 turbo after work today. ....
...Just about 15 inches of Magnaflow does the trick. I cant recommend it enough.

Do you recall what part # Magnaflow you used?
Thanks!

Skeen wrote: Most of the board members prefer English.

For a non-native English speaker, he does it better than some of the dumb fuckers here on this board....

Magnaflow has a fair number of straight through perforated core with stainless packing mufflers. You can get them in different lengths and tube sizes. All are stainless.

I've been thiking about using one for a while. I am glad to hear they are not too loud. Definitely going to give it a try.

GregATL wrote:Magnaflow has a fair number of straight through perforated core with stainless packing mufflers. You can get them in different lengths and tube sizes. All are stainless.

I've been thiking about using one for a while. I am glad to hear they are not too loud. Definitely going to give it a try.

Greg,

The Magnaflows work well with turbo cars simply because the turbo serves as a form of muffler itself. If you were staying NA, I'd say talk to Shawn D to find out what he used as his system sounds great. My M5 had a 3" system with a Magnaflow and it was intolerable, it was so loud. you'd have thought it had straight pipes.

Rich

The listing said it was P/N 14246. Heres a link:

http://cgi.ebay.com/ebaymotors/ws/eBayI ... &rd=1&rd=1

The 5x8 oval size is a little tall to really tuck under there. I had to turn mine so it sits diagonally to keep the lower front portion from sticking too low in path of road debris. It looks silly to me, but it fits well enough.

Rich Euro M5 wrote:

GregATL wrote:Magnaflow has a fair number of straight through perforated core with stainless packing mufflers. You can get them in different lengths and tube sizes. All are stainless.

I've been thiking about using one for a while. I am glad to hear they are not too loud. Definitely going to give it a try.

Greg,

The Magnaflows work well with turbo cars simply because the turbo serves as a form of muffler itself. If you were staying NA, I'd say talk to Shawn D to find out what he used as his system sounds great. My M5 had a 3" system with a Magnaflow and it was intolerable, it was so loud. you'd have thought it had straight pipes.

Rich

Rich, check this out.




Yes, Shawns car does sound good.

Hehehe, and you didn't spring for the TCD exhaust to go with it? C'mon now!

Congrats and good luck with the install. When do you plan to strap it all together?

Jeremy

Jeremy, I actually ended up getting the whole S1 kit due to a lack of time to fabricate too much. I originally was just buying the items in the picture and fabricating the rest.

As far as the exhaust goes I have to fabricate something or I won't be satisfied. So far I have a cat and 304 SS tubing on the way. All I need is a muffler to complete the package.

My original install date was the 9-10 of March. That may get moved due to the unexpected death of a close friend last night. I will have to go back to Atlanta this week and that will put me behind in my work. I cannot do the turbo install if I am behind schedule at work. It will have to wait until I am caught up.