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Re: Dual muffler or single??
Quote:
Originally Posted by kwmech
Single 3'' magnaflow in my 69. 454 automatic. Personally do not like headers or duals on a street truck. Did it when I was a kid.... got over it
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On a BBC the single gives you way more grunt.
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1970 C15 GMC Long Bed
1986 C20 Scottsdale
1983 K2500 Sierra Classic Suburban 6.2
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