Dynomax Super Turbos Suck

hotrod3forty said
After 38 years of using Big Daddy glass packs, Walker turbo mufflers, and Midas Turbo Kings on my 69 340 Swinger....I really got tired of loud exhaust. Now I'm using reproduction 340 'A' body mufflers from Accurate. Sounds a lot nicer and quieter.....and didn't affect performance any at all.
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I ran a full Accurate exhaust when I had my stock 340 in my car. Sounded good and ran good. After about two years the seams on both mufflers let go. And I never had any back fires. This was quite a few years ago so they may have improved them since then.