2002 Chevy avalanche has 172000 miles but are mainly highway. Has never given me any problems.Z71 4x4New flowmaster catalytic coverts with magnaflow muffler sounds good but not super loud New shocks all the way around New spark plugs less then 10,000 miles ago Oil has been changed every 3,000 milesDoesn’t use any oilAftermarket steel hood is not a fictional ram air just liked the look do still have factory hood that’s in good shape if wanted Sub and amp under back seat Tires are fierce attitude with good life left New drivers window, window regulator and weather strippingMirrors are power, heated, with a puddle light onNew ball joints with in the last 6,000 miles Has bed hard cover with locking tailgate along with locking side boxes Is probably more I’m forgetting has been a great pick up for me but just wanting something smaller