Originally Posted by DGS
Originally Posted by GomangoCuda


Nobody sells that expansion box. I bet he has an ironclad patent on that after Walker got him on the Super Turbo muffler.


Would a Hooker Aerochamber muffler work (the center inlet, center outlet version)?

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All I can tell you is those Aerochamber mufflers are nice! They sound good and make good power. Right in the ballpark of a straight through Dynomax Ultraflow and WAYYYY better than the super restrictive Dynomax Super Turbo.

CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax