APEXi N1 Evolution-X Exhaust, Toyota GR Corolla 2023+, Axleback with Stainless Tip (164AKT23) 16320 The factory frontal airbox only

The factory frontal airbox only flows 509 CFM at 28" of H2O

Includes grommets so you can hang it from almost anything

It provides our signature intake growl that will surely excite your senses as you open your Volkswagen GTI and let that turbo spool

BMW 135i 08-up Sport Muffler with 2000°F black ceramic coating for a more OEM appearance

Exceptional carbon/resin ratio ensures high stiffness and extra product durability

APEXi N1 Evolution-X Exhaust, Toyota GR Corolla 2023+, Axleback with Stainless Tip (164AKT23) 16320 The factory frontal airbox onlyThe 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