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3″ piping
In 2009 GM changed these emblems from the grey outline to a chrome edged one
Expect no check engine lights
Available in Polished Chrome
2003 GMC Sierra 1500
Porsche 991.2 Carrera Sport Headers Tuners 3″ pipingDEVELOPMENT: We sought out to maximize performance and boost response while minding clearance on daily driven cars. Our optimized 3 into 1 merge collector design improves response over the poor factory design, while our runners ultimately increase exhaust velocity into the collector and turbo. Looking into the factory headers you will notice a support in the middle runner which is detrimental to a smooth flow path out of that exhaust port all in all