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This tune made my D41 so much more responsive when accelerating. I don't know why it doesn't come that way ...

Fits 2009-2017 Infiniti FX35/FX37/FX50/QX70. ...

Fast shipping and excellent customer service. The customer service seems to have read my mind coz' I was waiting for ...

Clean for anyone looking to replace that ugly ome plastic one ...

You can see the difference how your car feels ...

If you are a "mechanical" person, this is an easy+ fix. You don't realize how nice it is to have ...