2006 - 2009
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Order This File Ask a QuestionThe Cadillac XLR 4.6 V8 326hp (2006 - 2009) produces 326bhp and 423Nm in standard form. Our Stage 1 ECU tuning file raises output to 346bhp and 450Nm, a gain of 20bhp and 27Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.