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Changing to Headers
Standard Porsche 911 coupe 1975 2.7Litre
I am removing the standard exhuast system and installing a pair of headers complete with a dual inlet/single outlet muffler.
What size are most suitable for this engine the 1 5/8" or the 1 1/2" ??
Niall
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1975 911 3.0 Carrera (964 Lookalike Weekender)
1975 911 2.7 (Project)
1979 Ford RS2000
1980 Mini 1275GT
1998 BMW 320i (Daily driver/Reliable Work Horse)
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