Stainless Steel Y-Pipe

They feature precision-cut flanges for an exact fit and an upgraded bellow design that significantly enhances robustness compared to the original equipment, ensuring longevity for your truck. Leaky up-pipes can negatively impact performance by causing a loss in horsepower, increasing Exhaust Gas Temperatures (EGTs), and coating the engine compartment with soot. The Sinister Diesel Y-Pipes address these issues with a free-flowing design and an inner liner bellows, intended to resolve these common problems. This product is 50-State Legal, bearing the E.O. # D-721-9. The kit includes all necessary hardware and detailed instructions for a straightforward installation process. The stainless steel construction features an 11-gauge, .120-inch wall diameter, and the product comes with a 2-year warranty.