aFe Large Bore-HD 3 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-42045-P) FITMENT_GRAND_TOURING The 1" union is machined

The 1" union is machined from aircraft grade 6061 aluminum for a light-weight and durable product

88% cfm Flow Gain

High performance airbox cover lid works with the factory airbox to increase cold air flow to improve power

Choose between subtle wing deletes or our finned version inspired by the F14

aFe Large Bore-HD 3 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-42045-P) FITMENT_GRAND_TOURING The 1" union is machinedLarge Bore HD 409 SS DPF Back Exhaust System with Split Rear Exit (49 42045 P) by aFe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". 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, and constructs them from mandrel