Invidia N1 Cat-back Exhaust Honda Civic Si EP3 improve performance by using a straight-thronister design and mandrel-bent piping, which significantly reduces backpressures compared to restrictive factory exhaust systems. Additionally, because it is made with lightweight stainless steel or titanium, it often reduces the vehicle's overall weight, which further aids agility and performance. 
 
It is designed to replace the factory exhaust from the catalytic converter back, featuring mandrel-bent stainless steel piping, CNC-machined flanges, and a signature aggressive, race-inspired exhaust note. 
 
Piping Diameter: 60mm
Exhaust Tip Diameter: 101mm
 
Photos are representations of product.May vary between actual products.JAPMotorsport your aftermarket performance and racing parts solution online store