3.2 exhaust system suggestions
#1
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The 88 I just purchased has an exhaust system with jet coated headers and some type of muffler. I have not found a brand name on it. The car runs great but between 2500 and 3000 rpm it has a really BAD resonance in the car. After 3000 rpm it really sounds great. The bottom line is that it is just to loud for me. What system would give me good performance without the resonance and quieter overall?
Dan.
Dan.
#3
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I agree that the stock exhaust is quiet and resonant free.
I have a Dansk pre-muffler and a Dansk Sport muffler on my '84 coupe. It has a nice deep, throaty sound to it and does not have any resonance at any rpms. It is not too loud either and is easy on the ears for a daily driver type car.
I've heard very good things about the Monty system too.
Jay
90 964
84 3.2
I have a Dansk pre-muffler and a Dansk Sport muffler on my '84 coupe. It has a nice deep, throaty sound to it and does not have any resonance at any rpms. It is not too loud either and is easy on the ears for a daily driver type car.
I've heard very good things about the Monty system too.
Jay
90 964
84 3.2
#4
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I had a Monty dual-in (for SSI), single-out muffler on my car for 6 years. Sounded good and no resonance. I recently switched over to a dual-out M&K cause I wanted something louder
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#5
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Pre-muffler and a GHL exhaust. Great sound, no resonance.
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Like Jay H I have the Dansk pre muffler and Dansk sport muffler on my 84 coupe. Nice deep sound and very important no resonance at any rpm. Easy to hold a conversation in the car but a great sound. I didn't notice or expect any performance changes.
#7
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Cheap solution: get a removeable cap for one of the two outlets (first confirm that the muffler uses a common chamber for both outlets -- most do). Take it off for the times you want to be loud.
Alternately, you can reduce the outlet diameters and 'tune' out the resonance.
Alternately, you can reduce the outlet diameters and 'tune' out the resonance.
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#8
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Cheap solution...that's me! I think I'll try tuning it out before I spend a lot of money. The system I have looks almost brand new. Sounds like my kind of weekend project. Now all I need is a weekend to do it!
Thanks to everyone for their suggestions.
I'll post back in a week or 2 after I get a chance to make something!
Dan.
Dan.
Thanks to everyone for their suggestions.
I'll post back in a week or 2 after I get a chance to make something!
Dan.
Dan.
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Originally Posted by svb
stock is the way to go imho....
this is one of the few cars made whose pure engine noise is so sublime that I'd hate to subdue it with a loud exhaust
this is one of the few cars made whose pure engine noise is so sublime that I'd hate to subdue it with a loud exhaust
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Dan.
#11
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Originally Posted by svb
stock is the way to go imho....
this is one of the few cars made whose pure engine noise is so sublime that I'd hate to subdue it with a loud exhaust
this is one of the few cars made whose pure engine noise is so sublime that I'd hate to subdue it with a loud exhaust
Reg
#12
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A stock 3.2 carrera sounds like a toyota. Just a regular single out sport dansk or MK Exhaust will kill the resonance and make a throatier - less toyota camry sound.
Sorry to all you purists - but after having a 964 the first thing i did is switch out the stock exhaust on my 3.2.
Sorry to all you purists - but after having a 964 the first thing i did is switch out the stock exhaust on my 3.2.
#13
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Originally Posted by g-50cab
A stock 3.2 carrera sounds like a toyota.
...and a 4 cylinder Toyota at that.
Originally Posted by g-50cab
Just a regular single out sport dansk or MK Exhaust will kill the resonance and make a throatier - less toyota camry sound.
Sorry to all you purists - but after having a 964 the first thing i did is switch out the stock exhaust on my 3.2.
Sorry to all you purists - but after having a 964 the first thing i did is switch out the stock exhaust on my 3.2.
However, I have no problem with people leaving their exhaust stock. It's a good system from the factory.
I still maintain that the 3.6 liter and it's particular exhaust system in the 964 (and only in the 964) is the best sounding Porsche 911 exhaust sound yet of the modern 911's.
No matter what you choose, this is a good discussion on what people enjoy on their car.
Jay
90 964
84 3.2
#14
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I'm sorry, but the stock exhaust system in the 80's Carreras is a terrible design which chokes both exhaust streams into a single constricted flow. Horsepower robbing effect, which is wht so many owners backdate their cars into the 74 or earlier exhaust (dual-in).
Find a muffler with single out (like a GHL 2/1) and keep those headers.
Find a muffler with single out (like a GHL 2/1) and keep those headers.