I threw out my AT3030 on my 06 MDS equipped Hemi- it sounded like a weedwhacker when it went into 4-cyl mode... A custom exhaust shop that I use for my cars tell me that the Magnaflow XL Turbo should take care of the BASS I was hearing before - any input??

Thanks
Dave
06 Hemi QC Sport 4X4
69 Hemi Road Runner
70 440-6pk 'Cuda