I have that setup with Kooks 1 7/8" but catless. Here's how it sounds.
Before :
After :
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Mods so far:
Roto Fab intake.
Vmaxx ported throttle body.
Solo Axle back
Kooks 1 7/8" LTH Catless
1LE diffuser
SS Clones quad tips
Apex CAI scoop
Gloss black stripes, gills,bowties and bezels