After seeing the photos, I think only the resonator on the left exhaust should be cut and replaced with a straight pipe.
For both exhaust pieces, lessen the amount of filler to maybe 50%, they are there to reduce heat in the trunk and reduce vibrations.
Just my $0.02
Engine: MOTIV 750 / MOTIV Port Injection / Fuel-It! Stage 3 LPFP / Helix FMIC / ER CP + TiaL BOV
Tuning: JB4 MAC_11 / MHD BMS Backend / Split Second AIC1-V6H
Suspension: Bilstein PSS9 / Full M3 Suspension / Quaife LSD / Defiv Lockdown / Megan Toe Arms | Wheels/Tires: Forgestar F14 19x8.5F +34 / 19x10R +38 / Michelin PSS