About center pipe: Diameter of center pipe is the portion that has the largest diameter. (Excluding silencer and tip.) It is the condition with stock suspension.

Minimum road clearance between HKS muffler (Any parts included in the kit) and road surface. Therefore, it may be different from actual road clearance of the vehicle.

The data is basically the condition with stock suspension. However, please understand that some items have data with low down spring or ride height adjustable suspension kit.

Caution: Hook, bracket, stay may be changed without prior notice. Exhaust noise level at idle.

Features:

Shape of muffler: Ti Dual Tip(Hi-Power Muffler)
Main material: S304
Diameter of tip: 97
Diameter of center pipe: 65 (60)(1)
Close noise level-Stock: 81/HKS: 92
About road clearance(4)-Clearance: 115mm/Remarks: Ground clearance measured on a car with HKS Suspension

Fitment:

Honda Civic Si L15B7 2017-2020

Other Part Numbers:
HKS #hks31006-BH002

Proposition 65

$/!\ warning$ WARNING: Cancer and Reproductive Harm

https://www.P65Warnings.ca.gov

Make Vehicle	Model	Submodel	Year	Engine	Notes
2017-2020 Honda Civic	Civic		2017-2020

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Warranty for Exhaust System

HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.