Your Ford Explorer could be backfiring because of bad gas. You may want to have it looked at by a local professional.
Try Harley Sportster Screamin Eagle slip-on. Helps eliminate backfires too.
The answer is " Backfires ". - Answered
I had one do that and it was caused by a bad intake valve.
Under the seat
Under the seat
Under the seat
running lean can cause your 400ex to backfire ..if it backfires on deceleration its lean ...if it pops on acceleration its running rich.====carb issues
Under seat.
Under the seat
The area under an acceleration-time graph is equal to the object's velocity (not change in velocity).
Acceleration due to gravityThe acceleration produced in the motion of a body under gravity is called Acceleration.