I bought their house brand mufflers for my daily driver after 1 1/2 years the internal guts have broken free and they rattle badly. As soon as I get some time they will be getting replaced.

1957 Plymouth (Hemi, Dual Quads, A833 4 Speed 9 1/4 w 4.10) Sold
1937 Dodge Pickup (Hemi, 6X2 intake, 46RH, Dana 60 w 4.56) Sold
1968 Plymouth Valiant 2dr sedan (354 HEMI, 46RH w/4.30 gears)