Product Description Specifications This Spectre Y-pipe replaces the factory Y-pipe in 2006 through 2009 Cadillac STS-V models with a 4.4L V8 engine. It is made for use with Spectre air intakes 9917; 9917W; 9917K or 9917B to improve performance.This Part Fits:YearMakeModelSubmodel2006-2009CadillacSTSV MPN: 99171
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