BORLA 11991 Axle-Back Exhaust 2.5", S-Type (2.25" Turndown Tips) for KIA K4 (EX / LX / LXS) 2025-
BORLA 11991 Axle-Back Exhaust 2.5", S-Type (2.25" Turndown Tips) for KIA K4 (EX / LX / LXS) 2025-
Description BORLA 11991 Axle-Back Exhaust 2.5", S-Type (2.25" Turndown Tips) for KIA K4 (EX / LX / LXS) 2025-
The BORLA 2.25" axle-back exhaust system is engineered specifically for the Kia K4 equipped with the 2.0L engine. Tuned to deliver the refined yet sporty S-Type sound profile, it provides a noticeably more engaging exhaust note compared to the factory system while maintaining a drone-free experience at cruising speeds.
Specifications
- 2.25" axle-back design optimized for the 2.0L engine
- S-Type sound profile: sporty, refined, and drone-free
- Brushed T-304 stainless steel turn-down outlet with laser-cut BORLA logo
- Straight-through multi-core construction enhances exhaust velocity
- Mandrel-bent tubing ensures smooth flow and consistent performance
- Constructed from premium T-304 austenitic stainless steel for maximum durability
- CNC manufacturing for precise fitment
- Single right rear exit configuration

Description
Description BORLA 11991 Axle-Back Exhaust 2.5", S-Type (2.25" Turndown Tips) for KIA K4 (EX / LX / LXS) 2025-
The BORLA 2.25" axle-back exhaust system is engineered specifically for the Kia K4 equipped with the 2.0L engine. Tuned to deliver the refined yet sporty S-Type sound profile, it provides a noticeably more engaging exhaust note compared to the factory system while maintaining a drone-free experience at cruising speeds.
Specifications
- 2.25" axle-back design optimized for the 2.0L engine
- S-Type sound profile: sporty, refined, and drone-free
- Brushed T-304 stainless steel turn-down outlet with laser-cut BORLA logo
- Straight-through multi-core construction enhances exhaust velocity
- Mandrel-bent tubing ensures smooth flow and consistent performance
- Constructed from premium T-304 austenitic stainless steel for maximum durability
- CNC manufacturing for precise fitment
- Single right rear exit configuration












