Kline Innovation Audi RS5 4.2 V8 Valvetronic cat-back Porsche-991-1-991-2-GT3-2013 + Added performance without a

+  Added performance without a check engine light

NOTE: Because of the increased output of the GT3-derived engine in 718 RS models

and effectively works to cut low rpm noise

and replacing them for either de-cat pipes

0-liter twin-turbo V8 makes it one of the fastest production SUVs in the world but it lacks the pure theater of a naturally-aspirated V10 or V12

Kline Innovation Audi RS5 4.2 V8 Valvetronic cat-back Porsche-991-1-991-2-GT3-2013 + Added performance without aKLINE INNOVATION Replacement of the stock 600cpsi catalysts, with either high flow HJS cores, or de cat pipes, opens up the sound significantly, as well as drastically improving turbo spool for increased power, and reduced spool time. This coupled with the twin 70mm dual oversized down pipes, and 89mm oversized center section, as well as flow optimized pipe free of compressions, allows the engine to reach its full potential. An additional laser cut