- 
                          Single - 4" Cat-Back System - Ultra Flo™ Welded Muffler- 
                        2007 Chevrolet Silverado 2500 HD Classic 6.0 Liter V8 - 153.0" Wheelbase; 2007 Chevrolet Silverado 2500 HD Classic 8.1 Liter V8 - 153.0" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 6.0 Liter V8 - 153.0" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 8.1 Liter V8 - 153.0" Wheelbase; 2007 GMC Sierra 2500 HD Classic 6.0 Liter V8 - 153.0" Wheelbase; 2007 GMC Sierra 2500 HD Classic 8.1 Liter V8 - 153.0" Wheelbase; 2006-2001 GMC Sierra 2500 HD 6.0 Liter V8 - 153.0" Wheelbase; 2006-2001 GMC Sierra 2500 HD 8.1 Liter V8 - 153.0" Wheelbase                        
 
- 
                          Single - 4" Cat-Back System - Ultra Flo™ Welded Muffler- 
                        2007 Chevrolet Silverado 2500 HD Classic 6.0 Liter V8 - 143.5" Wheelbase; 2007 Chevrolet Silverado 2500 HD Classic 8.1 Liter V8 - 143.5" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 6.0 Liter V8 - 143.5" Wheelbase; 2006-2001 Chevrolet Silverado 2500 HD 8.1 Liter V8 - 143.5" Wheelbase; 2007 GMC Sierra 2500 HD Classic 6.0 Liter V8 - 143.5" Wheelbase; 2007 GMC Sierra 2500 HD Classic 8.1 Liter V8 - 143.5" Wheelbase; 2006-2001 GMC Sierra 2500 HD 6.0 Liter V8 - 143.5" Wheelbase; 2006-2001 GMC Sierra 2500 HD 8.1 Liter V8 - 143.5" Wheelbase                        
 


 
                                
                                 
                                     
                                     
                                     
                                     
                                     
                                     
                                    
 
                                
                                 
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                    
 
                                
                                 
                                     
                                     
                                    
 
    