XForce 3in Turbo-Back Exhaust - Non-Polished Stainless (Silvia S13/180SX 89-94) Kia Below is a dyno chart

Below is a dyno chart provided by Iroz Motorsport in a 3rd party test

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Twin 3" raw finish 409 stainless steel system

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Fits facelift Polo GTI (2014+)

XForce 3in Turbo-Back Exhaust - Non-Polished Stainless (Silvia S13/180SX 89-94) Kia Below is a dyno chartDESCRIPTION XFORCE offers a range of uniquely engineered and designed stainless steel and mild steel bolt on exhaust systems. These exhaust systems bolt directly to existing mounting points making installation easy. They are built to perform well with materials designed for longevity and like all XFORCE exhaust systems they look and sound great! SPECIFICATIONS Split dump pipe with 2. 5? outlet 3? 100 cell high flow metallic cat converter 3? pipe work