Finally got rid of the stupid turn downs. Fun fact: If you happen to acquire N62 4.4 tubes for the flanges, this is a stupid easy install. They insert into the 4.8 pipes almost perfectly. Make a slight positioning tweak, tack, go.
It's close enough that you could probably get away with clamps. (Last pic shows the difference between N62 4.4 pipe vs. 3.0 pipe.)
Exhaust tone is very slightly deeper, and there's a hair more noise when you get on it. The goal was no-more-turndown, so minimal noise changes are good for me. I was a bit worried after seeing some sound clips, but I think that those also included a resonator delete.
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2011 M3
2006 Sierra 2500HD 4WD LBZ/Allison
2004 X5 3.0i 6MT
1995 M3 S50B32
1990 325is
1989 M3 S54B32
Hers:
1989 325iX
1996 911 Turbo
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