well if you lookAC_FL_RunContent( 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0','width','630','heigh t','120','src','mufflers_header-cb','quality','high','pluginspage','http://www.macromedia.com/go/getflashplayer','movie','mufflers_header-cb' ); //end AC code

- Straight-thru design 100% welded, aluminized steel, with high temp red finish
- Reversible design for maximum installation flexibility
- Compact round body size
- Recommended for car and truck applications
3 1/2 " Body Straight Tubes
they have numbers up by the tips so how do i determine how to which tip will fit my stock exhaust pipes