SUBARU WRX/STI COMPLETE “RALLY SERIES” CAT-BACK KIT INCLUDES THE 4.0” CARVEN SIGNATURE EXHAUST TIP OFFERED IN *POLISHED STAINLESS OR *CERAMIC BLACK. NO CUTTING OR WELDING REQUIRED. THE "RALLY SERIES" DELIVERS A ALL AROUND AGGRESSIVE TONE AT IDLE, CRUISING AND ON ACCELERATION. CARVEN EXHAUST SYSTEMS ARE HANDCRAFTED, BUILT FROM STAINLESS MATERIAL ASSEMBLED WITH TIG WELDING PROCESSES AND ARE ENGINEERED TO MAXIMIZE PERFORMANCE. ALL CARVEN EXHAUST PRODUCTS ARE PROUDLY MADE IN THE USA.