aFe Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-44043-P) 1796 AS-106703 With a span of

AS-106703 With a span of 67 or 61 inches and a height of 13 inches

Dyno Proven gains of up to 17 hp and 15 lb-ft

This fitting uses a multi-barb design to keep the hose secure and leak-free even without the use of clamps

The system is fully reversible

The F12 is an impressive car from the factory

aFe Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-44043-P) 1796 AS-106703 With a span ofLarge Bore HD 409 SS DPF Back Exhaust System with Split Side Exit (49 44043 P) by aFe. Single To Dual Exhaust Conversion. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 4". Exhaust System Sound: Moderate. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Large Bore HD DPF Back Exhaust System. aFe dyno tests every system for maximum gains,