For what its worth, I have 2 chamber flows on my 87 LX and Dynomax super turbos on my 65 HiPo. The Dynomax set up is much more subdued than the flowmasters at idle and cruising speeds but still have a good bark under acceleration.
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1965 K code coupe - numbers matching - restoration ongoing. 1987 LX notch, 5 spd, stock heads (minor porting) and intake, 65mmTB, 3.55's, ram air, pulleys, shorty's, 2.5" exhaust with cats 13.89@100.25
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