No - it dries clear, like an eggshell of protection (credit card thin). Takes about 2-days for full cure. Then it's pretty much good until 5-year check where they'll spot fix any areas, as needed.
My preference, not yours and at 63-yrs-old I'm not hitting the mountainous terrain. Simply doing local hunting & fishing.
I happen to like the way this looks...similar to the two protruding from my '09 Bullitt. :D
You can adjust the muffler up/down quite a bit, but with the tip I purchased, it's pretty much as high as it can go. If you did the turn-down tip - no issues at all.
Anyone wanting a quality exhaust w/ great looks/sound - don't hesitate to call MRT. They easily convinced me to give there's a try & I couldn't be more pleased. Great company & they will tell you like it is. I was shopping quite a few systems, but this one's by far awesome sauce!
Stock vs...
In addition to above feedback, why not call Granger Ford & ask these questions? I'm sure they've run across these things & can advise how to proceed...IMO.
Water does get below/inside so I laid a thin bead of black silicone along the hood-side edge. Sealed it all up nicely. Got the sealant at auto part store - make sure it's the Permatex Sensor-Safe...
Because this is new, and hasn't seen a crap NE winter (salt/brine/sand), ended up getting body coated/sealed & underbody treated with Gottsch's Goo (local business, https://gottschsgoo.com/). Have to say, they did a fantastic job - super pleased. The underbody is clear & ~credit card...
IMO - unless it's some sort of numbered edition, like my Bullitt, it's not considered rare. Your color might be something a person doesn't see very often, but the vehicle is same as all your make/model/age. Just keep racking miles of smiles. :D
Yep...you do you & if it's in the budget then - go for it. For me, as a former MN farm boy, I love turning wrenches so part of my purchase assessment includes personalized upgrades.
Enjoy that sweet '25 & keep rolling those memorable miles. :D