Straight Through Design, Reduce Engine Noise. Deep Tone Performance Resonator. Made of high quality stainless steel for long-lasting durability. Stainless Steel construction for lifelong protection. Professional installation is highly recommended. No installation guide provided. Welding required. Condition: New Surface Finish: Polished Tip Shape: Round Straight Cut Manufacturer Part Number: 254009 Inlet Type: Single Interchange Part Number: 2.5 inch inlet Universal Resonator Fitment Type: Performance/Custom Outlet Type: Single Connection Type: Weld-on UPC: 797805221593 Item performance guaranteed. SPEC: Material: Stainless Steel Inlet Diameter: 2.5 inch Outlet Diameter: 2.5 inch Body Length: 8.5 inch Overall Length: 12 inch Muffler Type: Straight Through Surface Finish: Polished Type: Round Straight Cut Installation: Weld-on Color: Silver Package Contents: 1 x Car Exhaust Muffler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement may vary by +/- 1-3 cm.