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Location: Baltimore, MD
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Porsche Crest Replacement for 944 stock muffler

Hi Folks,

I need to replace the stock muffler for an 86' 944. Do you guys have any suggestions for an aftermarket muffler that will yield some
performance improvement while also producing a more powerful
exhaust sound for the 944.

Any comments on Borla mufflers?

Thanks in advance...

Humberto-

01' Boxster 26k
86' 944 NA 151k


Last edited by Calvani; 10-04-2004 at 10:03 AM..
Old 10-04-2004, 08:44 AM
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I mounted a similar size Flowmaster (delta flow) muffler, which is quite a bit louder. It does not have that tinny sound the ricer coffee cans make, but probably has more rumble than the borla or bursch (as well as being cheaper). A local muffler shop should be able to order it, cut out the old can and weld the new one in for a fairly reasonable price.
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'85 (Early) 944 - Beater
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Old 10-04-2004, 06:02 PM
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The stock exhaust system on a 944 is already an extremely free-flowing setup, it's not crammed into a small space. At best you'll get 1 or 2 extra hp from an aftermarket exhaust.

Now, if you go all out, you may gain as much as 5 hp at WOT, while _losing_ a few ft/lbs of torque at low RPM from a fully re-designed exhaust.

All a new exhaust is really going to do is make the car louder. And unless you're extremely careful, you'll just make it sound like a riced out civic. It's an inline 4, it will sound like an inline 4. Simple harmonics, you can't change that.

Aaron
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Old 10-04-2004, 09:21 PM
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While we're on the topic, my muffler is in the process of dying. Every time I hit 4000-5000RPM a split in the side of it opens up, and it sounds like I have no muffler at all, lol.

I believe the muffler that is on there was put on by the dealership in 96. I'm looking for something that's quieter than stock, if possible. This car is a daily driver, but does some see some track use, so I don't want to lose power in exchange for noise.
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Old 10-05-2004, 08:36 AM
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dynamax superturbo muff. Cheap good flowing and sounds good.
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Old 10-05-2004, 08:38 AM
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Quote:
Originally posted by TCMdocs944
dynamax superturbo muff. Cheap good flowing and sounds good.
Ditto !!! Thats what I have as well. Sounds good without without braking the bank.

Mark
'86 944NA
Old 10-05-2004, 11:21 AM
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Hi Guys,

Thanks for all the comments. I will check out the dynamax superturbo and the Flowmaster.

Initially, I was checking the Borla Spit Fire muffler. See:

http://www.autoaccessorystore.com/products/492_b.jpg

But I have never seen (or heard) these mufflers on a 944. ..

Cheers,

Humberto
Old 10-05-2004, 11:47 AM
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Save your exhaust tip (big oval). They are expensive and complete the look of the car.


Welcome to the board.
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Old 10-05-2004, 12:42 PM
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Re: Replacement for 944 stock muffler

I bought a Borla muffler and put on sebring tip. The exhaust is not too loud, but very deep sounding at WOT. Lots of people love the exhaust sound.

Here's the pics of my car.

My 1985.5 Porsche 944


Quote:
Originally posted by Calvani
Hi Folks,

I need to replace the stock muffler for an 86' 944. Do you guys have any suggestions for an aftermarket muffler that will yield some
performance improvement while also producing a more powerful
exhaust sound for the 944.

Any comments on Borla mufflers?

Thanks in advance...

Humberto-

01' Boxster 26k
86' 944 NA 151k
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Old 10-08-2004, 05:44 PM
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My friend has a flowpro FP300 muffler on his 951. Kicks the SFR system's butt IMO. Only 60 bucks too here: http://ultimate4wheeldriveperformance.com/exhaust.htm
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Old 10-08-2004, 06:16 PM
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The Danske system from performance products looks stock, sounds mean, and is only 250 for an after-cat.
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Old 10-09-2004, 10:18 AM
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I've got a Borla on mine as well. Ditto on the deep throatieness sound. I've tried running a straight exhaust on my 944 and there is no recognizable perfomance gain. You just sound faster. I like the sound of the 944 with the Borla and cat in place.
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Old 10-13-2004, 12:37 AM
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If you need the cat back, SpeedForceRacing has a good stainless system. They have great power gains, and the sound is amazing from what I've heard. The system uses the Borls XR-1 muffler, looks and sounds awesome. The list price on it is $599 though.

Personally, I have a Magnaflow, and it's a little high sounding for me, but flows awesome. It's a little louder than stock, but not obnoxious. This one cost me $110 installed. Next time I'm going SFR.

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Old 10-13-2004, 06:37 AM
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