Magnaflow VS Gibson Loudness
Magnaflow VS Gibson Loudness
Hoe loud is the Magnaflow SISO in comparison to the Gibson SISO
I had a Gibson catback on my 02 screw and liked it, but the magnaflow seems to get better HP & Torgue gains.
Thanks in advance
I had a Gibson catback on my 02 screw and liked it, but the magnaflow seems to get better HP & Torgue gains.
Thanks in advance


