Borla 140928 Cat-Back Exhaust System S-Type 2.5" Honda Civic EX

The Borla 140928 Cat-Back Exhaust System delivers the signature S-Type sound level for Honda Civic EX models through advanced engineering and premium construction. This 2.5-inch diameter system is specifically designed to enhance performance while maintaining refined exhaust tones.

Polyphonic Harmonizer Technology:

This system features Borla's patented Polyphonic Harmonizer Technology, which utilizes specially designed units containing pipes of different diameters and lengths. These create multiple exhaust notes that harmonize together, delivering a clean, rich, full-bodied sound to the mufflers. The result is the distinctive S-Type sound character and volume, backed by Borla's no-drone guarantee.

Key Features:

• Patented straight-through and multi-core technology unleashes hidden horsepower
• 2.5-inch diameter mandrel-bent tubing maximizes exhaust flow and power
• Premium T-304 austenitic stainless steel construction for superior durability
• 2.5-inch brushed T-304 stainless steel turn-down tips
• Precision CNC manufacturing ensures accurate, bolt-on fitment
• Increased exhaust velocity improves power, fuel economy, and driving excitement
• Ultra-smooth mandrel bends eliminate restrictions

Quality and Warranty:

Constructed from premium T-304 austenitic stainless steel—superior to T-400 series alternatives like 409 stainless—this system offers exceptional corrosion resistance and longevity. Borla backs this Cat-Back system with their industry-leading Million-Mile Warranty, demonstrating confidence in their world-class engineering and manufacturing.