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Old 05-19-2008, 03:53 PM   #5
69trk
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Join Date: Oct 2006
Location: bridgecreek ok.
Posts: 1,214
Re: mufflers blew apart

lol, no haven't done that since i was kid in my dad's town car. Engine is running perfect no backfires ever. They did ask me what my compression is and what heads i have. Told them 11.5 to 1 with good set of iron heads. What does it matter, it doesn't say not recommended for 11 to 1 or higher comp. If i knew that i wouldn't of bought them.
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