Torque Solution 3" Downpipe To OEM Catback Adapter 250 Tracey Matisak Stock Pictures, Editorial Images and Stock Photos. Torque Solution 3" Aftermarkert Downpipe To OEM Catback Adapter Applications: Subaru Turbo Models w 3" Downpipe and OEM Catback Torque Solution 3" Aftermarket Downpipe to OEM Subaru Catback Adapter is a must have when installing a 3" downpipe while using the OEM exhaust system. Designed to create a seamless install preventing the usual exhaust leak that occurs when not using our adapter. Works with the OEM donut exhaust gasket. We chose to use CNC Stainless Steel instead of mild steel like the others. Our kit also includes high quality zinc install hardware. With our choice of materials you can rest assure this part will last, which is why we back it by a Limited Lifetime Warranty. CNC Stainless Steel Fits OEM Donut Gasket Zinc Install Hardware Included Easy install Limited Lifetime Warranty **Requires the stock donut gasket to be reused. **Does not include 3" exhaust gasket, please utilize the gasket that would come with your 3" downpipe.