You can find a high-quality scan of the original Xbox Manual for SSX 3 on the Internet Archive .
For on the original Xbox, finding the original "paper" components—specifically the instruction manual and cover art—is common for collectors looking to complete their "CIB" (Complete In Box) sets. Manuals & Documentation SSX 3 [Xbox Classic]
You can often find sellers offering the SSX 3 Instruction Manual Only on eBay for around $4.99–$7.74 if you already own the disc and case. You can find a high-quality scan of the
A digital version of Prima's Official Strategy Guide is also available, which contains detailed character bios and track data. Cover Art & Inserts For replacing damaged or missing box art: A digital version of Prima's Official Strategy Guide
If you are looking for digital versions to view or print, or original physical copies to buy:
XBOX Manual: Ssx 3 : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive SSX 3 [Xbox] : Electronic Arts: Video Games - Amazon.com
If you are looking for the entire physical package (Disc + Case + Manual): XBOX Manual: Ssx 3 : Free Download, Borrow, and Streaming