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Global Mod,
Mod | | | Forums66 Topics128,074 Posts1,055,913 Members48,429 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Sep 2007 Posts: 2,644 Shop Shark | | Shop Shark Joined: Sep 2007 Posts: 2,644 | Building my exhaust now and decided to go with a straight-through cylindrical muffler. Looking inside the inner pipe has louver-like openings all facing the same direction but there is nothing on the thing indicating if the open side of these louvers face the engine or the tailpipe.
What direction do the open end of these louvers face? Or does it even matter? | | |
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