LOUD Porsche 991 GT3 4.0 & GT3RS with iPE Exhaust! Downshifts, Revs, Accelerations!

This video features a stunning loud Porsche 991 GT3 4.0 (ECU tuned 535HP) & Porsche 991 GT3 RS equipped with a full straight iPE exhaust system! The exhaust sounds are so awesome, especially when you hear the gear changes. The accelerations are just insane!

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