We would like announce the release of the NEW N1 Evolution-R Exhaust System.

The N1 Evolution-R combines all the racing heritage and proven performance of the original N1 muffler but raises the ante by adding light weight, fully polished SUS304 stainless steel piping. This is the ultimate N1 exhaust system. Mandrel bent, full stainless steel construction provides maximum power gains and resistance to rust or other damage caused by weathering. Like the original N1, the N1 Evolution uses the minimum amount of pipe bends to allow for greater exhaust flow. The N1 Evolution was created for those who are looking for something one step further with improved construction and reduced overall weight from the classic N1 design, complemented with affordable & competitive pricing. Available only for a select amount of vehicles, the N1 Evolution stands as a brilliant testament to exhaust system fabrication. The N1 is truly THE benchmark in which others strive to duplicate.


Product Features:

- Full SUS304 Stainless Steel tig-welded polished finish construction

- Straight-through Muffler design to maximize exhaust flow

- "A'PEXi" Logo stamped on tip edge

- Single wall tip for a sporty aggressive look

- Offered in 2.5" (NA) and 3.0" (Turbo) inlet pipe diameters

- Compatible with A'PEXi muffler silencers & Titanium Slide Tip (sold separately)

- Offered in single and dual catback applications

Product Applications:

Part NumberYearMakeModelChassisEngineInlet DiameterTip DiameterCanister DiameterType
191KF0042002-2007SubaruImpreza WRX/STI (Incl. Wagon)GDEJ20 EJ253.0″115mm (4.53″)6.25″Single
191KF2022011-20**SubaruImpreza WRX/STI (Sedan)GVEJ253.0″115mm (4.53″) x 26.25″Dual
191KM0012008-20**MitsubishiLancer Evolution XCZ4A4B11T3.0″115mm (4.53″)6.25″Single
191KM2012008-20**MitsubishiLancer Evolution XCZ4A4B11T3.0″ -> 2.5″ x 2115mm (4.53″) x 26.25″Dual
192KH0022000-2008HondaS2000APF20/F222.5″115mm (4.53″)6.25″Single
192KH0032006-2011HondaCivic Si CoupeFGK202.5″115mm (4.53″)6.25″Single
192KH2022000-2008HondaS2000APF20/F222.5″ -> 2.0″ x 2115mm (4.53″) x 26.25″Dual

Source: A'PEXi

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