It looks like you taped around the pony. I've had the best luck making a box around the emblem so you'll end up spraying the emblem and the boxed area around the emblem. It will look like this below.
At least 3 coats works best for me. When you peel the area around the emblem in the boxed...
Mufflers certainly effect the tone and loudness but it's the firing order that really determines sound. So the short answer is, no not likely. I agree with you on loving the sound of the Fox 5.0 and 4.6, even with my back turned I know it's a Mustang. The 5.0 Coyote sound good but are...
Congrats on the your first ever Mustang. Would be interested in hearing your impressions not only on the car once you get more seat time but also how you are enjoying the V8.
Add me to the list people who are a fan of those weeks.