[arinesmith]

I know there is always discussion about whether adding CAI, Exhaust, etc will void your warranty. I was doing some investigation and came across this.
So if your dealer tries to tell you different, just tell them it's the law and have this info handy.

Magnunson-Moss Warranty Act - Aftermarket Parts

Magnuson-Moss Warranty Act (P.L. 93-637) is a United States Federal Law (15 U.S.C. 2301 et seq. )

Below is the 'legal stuff' about the Warranty act, basically the part that concerns a buyer of aftermarket automotive products is that a dealer or manufacturer cannot void or charge for a warranty service based on use of aftermarket products unless a failure is a DIRECT result of use of the aftermarket product and they will have to prove how.

 

[arinesmith]

I agree with ForteSX2.4 and tcope, in that if what you do DOES cause a problem (high compression pistons, etc) then you are not covered. ECU issues MAY arise if you go with a CAI, but does not give the manufacturer cause to deny any claim because of it.

My hope is that having this knowledge, and letting the dealer know that you have it, could help with shady warranty claims.