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Old 60's Porsche Tech
Join Date: Jan 2009
Posts: 369
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Do i put a m & k pre-muffler or leave my cat on??
My car runs great, I have an 87 with stock 3.2 except for a Steve Wong chip. I am thinking about replacing my cat with an M & K pre-muffler, it is the original cat and looks clear when you shine a light through it. Am I going to notice much of a difference in power, with the pre-muffler and a re-program of the chip. It is hard to decide whether to cause a little pollution to run a little stronger. Thanks JL
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1987 911 Cab TRE engine  1952 356A sold  ,1960 356B totaled hit by drunk totaled  1979 911 sc Targa sold,1984 911 3.2 Targa sold,1985 911 3.2 Coupe sold 1987 3.2 coupe sold to my son PARTS ENDLESS WORK $$$$$ PREPARING and driving your PORSCHE anywhere with confidence PRICELESS!!
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05-25-2009, 07:00 PM
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Join Date: Jan 2009
Posts: 12
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I have a 87 911 that is all stock except a Won
 g Chip, Fab Speed Cat By-pass and M@K 1 in 1 out and Just love it, Sounds great, performs well and not too loud. Have fun.
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05-25-2009, 07:37 PM
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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05-26-2009, 03:19 AM
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Ruby911
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Go for it. I swapped out my cat for a pre-muffler and was blown away by the difference it made. I bought my SW chip a few months before I pulled out the cat, but had it programmed for a non cat set up. The first drive I took with the chip, sans cat was like driving a brand new car. Again, go for it.
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1984 Carrera - SW Chip, Factory Short Shift Kit, Cat Bypass - SOLD 1968 Ossi Blue 912 Sunroof Coupe - SOLD 1971 911E - 2.7 Twin Plugged, PMOs - SOLD 1965 356C Outlaw RGruppe #577 |
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05-26-2009, 03:31 AM
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Registered
Join Date: May 2009
Location: MD
Posts: 240
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I may go the same route.
Do you all like Fabspeed for cat bypass/exhaust setups, or are there better choices?
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Ray 1986 Turbo-Look Cab White Gold/Burgundy |
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05-26-2009, 03:43 AM
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Fab speed has questionable orgins and I think that is what people dislike the most about them. You must also remember that I own(M&K Exhaust) a US manufacturer of porsche exhaust so Fabspeed is my competitor so I am biased good luck with your search and now I will excuse myself to not cloud the search
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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05-26-2009, 04:42 AM
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Registered
Join Date: May 2009
Location: MD
Posts: 240
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Sorry, I didn't know you manufactured exhausts. Hope I haven't caused any offense. I'm new to P-cars and am just feeling my way around the aftermarket.
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Ray 1986 Turbo-Look Cab White Gold/Burgundy |
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05-26-2009, 01:06 PM
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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05-26-2009, 02:28 PM
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1984 Porsche 911 3.2
Bonnie Blue
Bloodymary
