McLaren 675LT XperTune Performance Software - FS.MCL.675LT.ECU Product Type_Lighting scissors and a quick First

scissors and a quick First Aid and CPR guide in multiple languages

40 Seconds or 3 - 4 MPH Or Your Money Back

Deliver impressive power gains regardless of modifications

Back Side of Wicker(s) are Also Finished in a Real Carbon Fiber Finish

Stock = 420 HP / 413 TQ

McLaren 675LT XperTune Performance Software - FS.MCL.675LT.ECU Product Type_Lighting scissors and a quick FirstAchieve maximum power gains (~66 whp & 43 ft lbs) without sacrificing drivability or reliability. Maps are available for completely stock cars or for cars equipped with sport cats, cat bypass pipes, upgraded turbos, and more. Once we receive your ECU, our tuner bench flashes it with the upgraded ECU map, and we return it to you for easy re installation; no modifications to the vehicle are necessary. POWER: Stock = 582 whp 490 ft lbs Tuned = 629 whp