APEXi N1 Evolution-X Exhaust, IS300 / IS350 2021+, Axleback w/ Titanium Tip (Quad Tip) (164-KT22) 1851 Increased horsepower and torque

Increased horsepower and torque

enhancing the driving experience for BMW M3 and M4 enthusiasts

Want to add that personalized touch to your intake Injen also offers this intake system in a polished or a powder-coated laser black finish

Neutral safety switch built in

The performance matches the famous BORLA systems of the past but with a unique muffler and exhaust configuration canceling additional high frequency sound waves

APEXi N1 Evolution-X Exhaust, IS300 / IS350 2021+, Axleback w/ Titanium Tip (Quad Tip) (164-KT22) 1851 Increased horsepower and torqueThe N1 Evolution Extreme is based on the proven performance basics of the N1 muffler which emphasizes optimum exhaust efficiency utilizing a straight thru layout design. Equipped with an internal hybrid silencer uniting power and free flowing characteristics with effective functional sound resonance. A newly adopted muffler tip completes the tail end of the exhaust that serves both purposes of function and form. Constructed with a light weight