aFe 48-90002 Scorpion 304 Stainless Steel Exhaust Spacer KitaFe 48 90002 Scorpion 304 Stainless Steel Exhaust Spacer Kit Typically, when adding a 2. 5 IN or higher lift to your Jeep Wrangler (JK) clearances become an issue between the driveshaft and factory exhaust system we have created a solution to this common problem by offering these 304SS exhaust spacers. These spacers are a simple drop in modification that will space the factory y pipe rearward to create clearance between the driveshaft and exhaust. aFe