ARK DT-S Exhaust System for Honda Civic Si Sedan

The ARK DT-S Exhaust System is engineered for the 2017–2021 Honda Civic Si Sedan 1.5L, delivering improved exhaust flow, a deeper performance tone, and aggressive styling. This system is ideal for enthusiasts seeking a reliable performance upgrade while maintaining precise OEM-aligned fitment.

Constructed from T304 stainless steel, the exhaust features 3.0-inch piping for optimized flow and durability. The system finishes with 4-inch exhaust tips available in Polished or Burnt finishes for a sporty rear appearance.

Installation is a direct bolt-on application, using factory mounting points. The kit includes 1x Gasket (Type E) and 2x 3-inch clamps for a secure installation.

Key Features

• T304 stainless steel construction for durability and corrosion resistance
• 3.0-inch piping for improved exhaust flow and performance
• 4-inch exhaust tips in Polished or Burnt finishes
• Bolt-on installation using factory mounting points
• Includes 1x Gasket (Type E) and 2x 3-inch clamps
• Aggressive performance exhaust tone
• Designed and manufactured by ARK

FITMENT

2017–2021 Honda Civic Si Sedan 1.5L

Specifications

Tip Diameter: 4.0 Inch
Pipe Diameter: 3.0 Inch
Piping Material: T304 Stainless Steel
Tip Finish Options: Polished, Burnt
Installation: Bolt-On Application

Included Components

1x Gasket (Type E)
2x 3-Inch Clamps