A'PEXi - N1 Evo Extreme [Single Exit] - 2020+ Toyota Corolla Sedan SE/XSE

APEXi SKU: 164-KT18


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The 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 titanium material rolled and riveted onto a double pipe structure which acts as a diffuser enabling temperature reduction, meanwhile retaining a sporty heat gradation appearance.


  • High-level of quality using tig-welded SUS304 stainless steel uniting quiet performance with high-power performance gains
  • Matched and manufactured for select chassis
  • Patented Megaphone piping structure to produce excellent torque and throttle response throughout the power-band. This piping design allows for a swirling exhaust gas flow effect that has for years produced proven results
  • NOTE: Compatible with SE/XSE [Rear Bumper] Models Only (pictured below)
Bolt-On Yes
Part Number 164-KT18
Year 2020, 2021
Make Toyota
Model SE / XSE
(Does not fit with L, LE and XLE factory diffuser)
Body Style 4-Door 
Engine M20A-FXS
Chassis MZEAZ12
Exhaust Type N1 Evolution Extreme Muffler (N1-X)
Piping Diameter 50.8mm.
Tip Diameter 93mm.
Pieces 2
Exhaust Tip Style Titanium Round- Dual wall rolled, Angle cut (Riveted)
Piping Material SUS304 Stainless Steel
Muffler Material SUS304 Stainless Steel
Muffler Tip Material Titanium
System Weight 31.75 lbs.
Special Notes Package Dimension: 59" x 12" x 20", Package Weight: 45 lbs.
WARNING: California Prop 65
Cancer & Reproductive Harm