The 2015-2022 Subaru WRX STI 4" Quad Tip Stainless Steel Catback Exhaust System is a high-performance N1 style catback exhaust system featuring patented straight through & multi-core technology to unleash hidden horsepower. Made of high-quality T-304 stainless steel with a titanium tip and mandrel bend, this system includes a 4" quad outlet tip with a polished finish, 3" light-weight piping, and C.N.C machined flanges. All necessary hardware is included for a professional installation. This system is designed for the 2015-2022 Subaru WRX/STI models and is available in stock.

                  
                                          
                        
Material
                        
T-304 Stainless Steel
                      
                                          
                        
Tip Type
                        
Titanium Tip
                      
                                          
                        
Piping Size
                        
3"
                      
                                          
                        
Flange Type
                        
C.N.C Machined Flanges
                      
                                          
                        
Outlet Tip Size
                        
4" Quad Outlet Tip
                      
                                          
                        
Finish
                        
Polished Finish
                      
                                          
                        
Hardware Included
                        
Yes
                      
                                          
                        
Vehicle Fitment
                        
2015-2022 Subaru WRX/STI models