aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip (49-42051-1B) _24 The STILLEN GTZ-R rear valance

The STILLEN GTZ-R rear valance is currently available for the coupe only and features vertical air splitters

Constructed from 14-16ga T304L and 321L  stainless steel tubing and components for maximum power and durability and designed and built in-house at Fabspeed

Tuned = 398 HP / 322 TQ

Furnace brazed impeller and turbine fins – (not spot brazed)

aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip (49-42051-1B) _24 The STILLEN GTZ-R rear valanceLarge Bore HD 409 SS DPF Back Exhaust System with Single Side Exit (49 42051 1B) 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