No warranty issue - we have them installed on both sides of my son's Mustang GT - never an issue. Also, unless FMC can clearly detail a catch can ruined your motor, they would't have grounds to void your warranty. I've done this same circle with my Harley - adding many upgrades w/ no problems.
No, never too late. Now I don't change oil every 3K (like my dad taught us), but I do add catch cans to vehicles as one of the 1st options & they do work. Pretty much full (can) at 7K-8K oil change cycles. Even my Harley fills up. :D
Haven't had a chance to use Costco tire shop (only member for 2-yrs now), but visiting family had issue w/ their services after buying 4-tires. Lengthy discussions w/ the shop Mgr, resulted in settling on a fair discount. As a witness, I noted their limited brand selections so...may not ever...
"Brick on Wheels" signifies how a Jeep rides...per my test drives on Rubicon & Gladiator models (before buying my Bronco). I felt every pebble/bump/crack on the road. >.<
In addition to my already installed Rok Blokz mud flaps, I plan to have bedliner sprayed along of bottom (rocker panels & doors) to prevent rock chips. Did this on former 2018 Colorado & it was solid...never chipped, or came off. :D
Selling my nearly new DV8 front license plate mount - only used for 6-months (nearly new): https://dv8offroad.com/products/bronco-license-plate-relocation-bracket
These retail for $60 - asking $40/shipped to lower 48 - PM me if interested...thanks for looking.