CTS-V with QTP Cutouts with Turndowns.

2010 Cadillac CTS-V with QTP low profile cutouts and jlinks justthetip turndowns. Rest of the Exhaust and car is stock other than an intake.

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Raceland Exhaust Cutout test and review
Notice I was sweatin, its because that sexy Exhaust.... partially... I wired those puppies up and took her for a drive immediately, enjoy! and... dont mind the sweat. Raceland 2.5 inch cutouts with turn-downs just before oem mufflers. otherwise stock Exhaust. Music used is Dat Step by Gunnar Olsen sequence made by PartIntronersInCrimeGFX

CTS-V with QTP Cutouts
CTS-V Idle and Revs with QTP Cutouts Open and Shut

2011 CTS V Exhaust Cutout Comparison + HUGE Pulls
2011 CTS V with headers, pulley kit, cutouts, and tune making around 640hp.

Cadillac CTS-V - Cutouts Open/Closed Dyno Runs
Vehicle was 100% stock at this time, nothing other than cutouts.