aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System (49-44040) 17685 This BladeRunner Intercooler features billet

This BladeRunner Intercooler features billet aluminum inlet and outlets for superior strength and durability

which gives it the high rigidity and sturdy hold necessary to withstand strong G-forces

When the factory hardtop is removed

Designed exclusively for G8X M2/M3/M4 vehicles

aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System (49-44040) 17685 This BladeRunner Intercooler features billetLarge Bore HD 409 SS DPF Back Exhaust System with Single Side Exit (49 44040) by aFe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 5". 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