Apexi N1-X Evolution Extreme Catback Exhaust System fits 2022+ Honda Civic Si FE1 / 2023+ Acura Integra DE4

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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.

PRODUCT FEATURES:

• N1-X titanium tips specially designed with clearance to reduce heat transfer
• Top Level quality using full tig-welded SUS304 stainless steel 
• Matched and manufactured for select chassis
• A'PEXi intricate designed brackets
• Resonated midpipe structure
• Comfort with optimal performance gains

* Does Not Fit : Honda Civic Hatchback Models (2022+)

Bolt-On	Yes
Part Number	164KH003
Year	2022+, 2023+
Make	Honda, Acura
Model	Civic Si Sedan FE1 Integra Sedan DE4 Civic Touring Sedan (1.5L Turbocharged) ** ONLY compatible with factory OE Honda rear diffuser PN: 71541-T20-A50, 71591-T20-A50 ** Civic Sedan EX  (1.5L Turbocharged) ** ONLY compatible with factory OE Honda rear diffuser PN: 71541-T20-A50, 71591-T20-A50 **
Body Style	FE1 - 4 Door Sedan DE4 - 4 Door Sedan
Engine	L15BA (Turbo)
Chassis	FE - 4 Door Sedan DE4 - 4 Door Sedan
Exhaust Type	N1 Evolution Extreme Muffler (N1-X)
Piping Diameter	3inch to 2.5inch
Tip Diameter	105mm. x 2
Pieces	3
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
	WARNING: California Prop 65 Cancer & Reproductive Harm  www.p65warnings.ca.gov