APEXi WS3 Cat Back Exhaust 2000-2001 Acura Integra GS-R / 1994-2001 Acura Integra LS, Type-R Addictive Desert Designs 30% increase in airflow over

30% increase in airflow over the stock 65 mm throttle body

Named after the famous 130R corner at Suzuka Circuit in Japan (one of our favorite circuits in the world) the curvature is also radiused at 130* giving a physical meaning as well

2016-2018 Mazda CX-9

The restrictive piping diameters limit the K20C1’s potential to turn up the boost with tunes

APEXi WS3 Cat Back Exhaust 2000-2001 Acura Integra GS-R / 1994-2001 Acura Integra LS, Type-R Addictive Desert Designs 30% increase in airflow overThe WS Exhaust series is the A'PEX answer to the ultimate street muffler system with all around performance. The system consists of mandrel bent piping, muffler body, and tip made of the highest grade polished SUS304 stainless steel. This muffler has always been the standard for aftermarket street exhaust systems. The oval canister houses a newly designed rolled tip for an extremely high class finish. Interior construction has been fine tuned for even