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GrimmSpeed Resonated Catback 2011-2021 WRX/STI

SKU 070033
Original price $1,459.00 - Original price $1,459.00
Original price
$1,459.00 - $1,459.00
Current price $1,459.00


The GrimmSpeed Cat-Back Exhaust System has combined premium materials, along with a larger piping diameter and smooth bends to provide the performance enthusiast with a satisfying result in terms of both power and sound. This exhaust system has been specifically designed to fit sedan models and will come with new gaskets, hardware, and GrimmSpeed's exhaust hangers to make this exhaust system ready for the installation. 


Don't settle for that quiet stock exhaust. For those looking for a high quality exhaust with a nice tone the GrimmSpeed Resonated Cat back is perfect. With a resonator to minimize drone and create a nice sound, this exhuast is perfect for your daily. 


  • Resonated version (quieter than the noon-resonated)

  • Custom dual-outlet mufflers 

  • Quad 3.5" double-wall angle-cut tips

  • 304 stainless steel construction

  • 1/2" thick-cut flanges

  • Designed with a flex section


2011-2021 WRX

2011-2021 STI