Borla S-Type Cat-Back Exhaust for 2023 Integra and 2022–2023 Civic Si 1.5L 4 Cyl MT FWD 4DR – 2.50 in. Black Chrome

This cat-back exhaust system from Borla delivers a direct-fit bolt-on upgrade for Acura Integra and Honda Civic Si 1.5L 4‑cyl MT FWD 4‑door applications, engineered to increase exhaust velocity and reveal hidden horsepower while producing the aggressive ATAK sound signature. Built around a 2.5 in flow path and Borla’s Polyphonic Harmonizer Technology, the system uses multi-diameter, multi-length piping to create harmonized exhaust notes that feed Borla mufflers for a rich, full-bodied tone with a no-drone guarantee; finishes include single 4.5 in round black chrome tips mounted on premium T-304 stainless steel for corrosion resistance and long-term durability.

Features:

• Diameter 2.5 in mandrel-bent tubing
• Polyphonic Harmonizer Technology multi-diameter pipe design
• ATAK aggressive sound level with full-bodied tone
• No drone guaranteed under normal driving
• Single 4.5 in round black chrome tips
• T-304 stainless steel construction for durability
• Ultra-smooth mandrel bends for maximum flow
• CNC-precision manufacturing for accurate fit

Vehicle Fitment:

• 2023–2023 Acura Integra A-Spec
• 2022–2023 Honda Civic Si