Custom Downpipe CAD Design

I'm seeking an experienced automotive CAD designer to create custom downpipe designs for high-performance vehicles, specifically sports cars and SUVs.

Key Requirements:
- Expertise in exhaust system dynamics
- No droning and maximizing free flow
- Proficient in T304 stainless steel or similar materials
- Compatibility with performance tuning across various car models
- Design for enhanced engine performance with an aggressive sound

Ideal Skills:
- Experience in designing exhaust components
- Knowledge in power optimization
- CAD proficiency and industry experience

Please share examples of previous work.