With out a doubt there is an EQ change with the top off. The Jk had several threads on how to set up a jumper to correct the issue.....I haven't seen anything for the JL yet...still searching.
There is one small screw behind the passenger seat next to the sub enclosure. The rest is pull apart. Separate the surround for the seat belt, I also removed the access plug for the rear tail light. The strip of tie downs needs to be removed also. Gently pry the enclosure away from the side...
Added polyfil to all of the speakers enclosures this weekend. VERY noticeable improvement. I have the Alpine w/ 8.4. I thought the sealed sub did an ok job. There is a lot to remove to be able to get the sub out. Worth it in my opinion. After adding polyfil the bass was definitely more...
2019 Rubicon Unlimited suspension take off. Suspension is off a hard top model. 5 miles on Jeep when removed. Stock lower arms,front and rear sway bar links,front and rear springs, front spring perch locators and front and rear Rubicon hardtop shocks. $250.
5 BFG KO2 285x70 17 Take offs. 5 miles on them. Tires were on Jeep during production,function check and transportation. Dealership removed. They are ready for you to take home. $925
Located in mid Missouri.