CATBACK EXHAUST SYSTEM - RESONATED - 15-18 WRX/STI, 11-14 WRX/STI SEDAN GrimmSpeed CATBACK EXHAUST SYSTEM - 15-18 WRX/STI, 11-14 WRX/STI SEDAN Click images to enlarge Description CATBACK EXHAUST SYSTEM - RESONATED - 15-18 WRX/STI, 11-14 WRX/STI SEDAN   Quick Specs Custom dual outlet mufflers - dual perforated tubes offer quieter, more refined tone Quad 3.5" double-wall, angle-cut tips - our most commonly requested configuration Resonated or Un-resonated options - the choice is yours, although we recommend resonated for the FA20DIT and un-resonated for the EJ 304 Stainless Steel construction - genuine American 304SS material to withstand the elements and abuse 1/2in thick flanges - all 7 flanges are laser cut from the same 1/2in thick stainless plate for perfect sealing, easy installation and extreme durability Flex section - your motor and mufflers are both mounted using rubber or poly mounts and can move independent of one another - if there isn't a flex section or donut gasket allowing relative movement, there's a much greater likelihood of damage to your exhaust or turbo Custom polyurethane hangers - these hangers keep your exhaust where it needs to be, freeing you from rattles, melted bumpers and so on TIG welded - each catback is hand TIG welded just across the hall from the engineering offices that they were designed in, ensuring craftsmanship that does our Lifetime Warranty justice GrimmSpeed Lifetime Warranty - buy knowing that we stand behind our products and customers 100% Fitment 2011+ Subaru WRX Sedan 2011+ Subaru STI Sedan Included Components 2x Muffler Section 1x Y-Pipe 1x Resonated Midpipe 4x Two-position Poly Exhaust Hangers ALL Gaskets and Hardware 2x GrimmSpeed License Plate Frame 1x GrimmSpeed Decal Images sell! Get Supersized Images & Free Image HostingCreate your brand with Auctiva's Customizable Templates. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva.com. Track Page Views WithAuctiva's FREE Counter