HKS ES Premium Cat Back Exhaust Subaru WRX 11-14/STI 11-14 – Reflected Image Motorsports
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HKS ES Premium Cat Back Exhaust Subaru WRX 11-14/STI 11-14

  • $ 1,77500

  • Brand: HKS
  • Part #: 31026-AF017
  • Exhaust Orientation: Straight Exit
  • Installation Hardware Included: Yes
  • Piping Coating: No
  • Piping Flex Joint: No
  • Piping ID: 60mm - 52mm
  • Piping Material: 304 Stainless Steel
  • Piping Taper: Yes
  • Silencer Included: No
  • Tip Material: Stainless Steel
  • Tip Qty: 2
  • Tip Shape: Round
  • Tip Size: 115mm
  • Mfgr. Warranty: 1 Year


Here is the HKS ES Premium Cat-Back Exhaust System. This exhaust system features a larger piping diameter, smooth bends, and durable stainless steel construction to provide your vehicle with a lifetime worth of performance. The design removes any restrictions to the exhaust flow that is associated with the OEM design, allowing your engine to exhale much easier for improved horsepower and torque, all while creating an aggressive exhaust note. 




  • 304 stainless steel construction
  • Larger piping diameter
  • Designed with a silent chamber to reduce the chances of exhaust drone
  • Dual Premium mufflers with polished 115mm exhaust tips
  • Smooth bends
  • Improves the exhaust flow
  • Creates more power, performance, and improves the low-end torque
  • Produces an aggressive exhaust note
  • Exhaust hangers welded onto the OEM location to make for a direct exhaust replacement
  • Will include new hardware and O-ring gaskets


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