The reason is it interferes with the Scan tool they plug in. Any draw on the electrical system can and will cause interference with a true reading and diagnostic of the control modules. Even 12v phone chargers can cause a fault in the system and will result in creature comforts to become...
It supplies absolutely 0 structural rigidity to the fenders, strictly for sound deadening and Wind noise. A unibody vehicle doesn’t rely on the renders as a structural piece to the vehicle.
It is common on almost every passenger vehicle produced, Im going to point out that ford went a step beyond by putting it in the “garbage bag” for lack of better terms. Most manufacturers leave the insulation material unprotected by the plastic coating and it often deteriorates much quicker and...
I went with the MBRP street catback, has a nice low rumble with the H-pipe, if you go WOT it opens up a lot. And no drone at cruising speed. And very price friendly