3in Cat-Back Exhaust System for 2017+ Honda Civic Si

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Options: Coupe
Sale price$899.99 USD Regular price$989.99 USD


2017+ Honda Civic Si Coupe/Sedan Cat-Back Exhaust Systems

  • Applications: 2017+ Sedan Si and 2017+ Coupe Si models
  • Provides quicker spool and increased power / torque from the L15B7 Engine
  • Engineered for smooth, uninterrupted exhaust flow and reduced back pressure
  • 3” inch diameter 304 stainless steel tubing
  • Dual Polished Full-Race Tips
  • Quick and easy bolt on installation – no special tools needed other than a jack and jackstands.
  • Supports stock 3 bolt downpipe connection
  • Designed with ground clearance in mind for lowered vehicles
  • Includes new OEM quality gasket and grade 8 hardware for installation


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