Yamaha Performance Modifications

Hey guys, I'm looking to take my Yamaha performance to the next level and was wondering if anyone has experience with modifications. I've been researching online but would love to hear about others' experiences and advice on what's worth investing in. Specifically, I'm interested in learning more about engine upgrades (e.g., camshaft, pistons, etc.), air intake mods, and exhaust system overhauls. I'd also appreciate any insights on how these modifications affect the bike's power delivery, handling, and overall performance. If anyone has done similar work to what I'm planning or can point me in the direction of some reliable resources, it would be super helpful!