2.5″ Performance Muffler Stainless Steel Straight-Through | Universal Fit Exh…
2.5″ Performance Muffler Stainless Steel Straight-Through | Universal Fit Exhaust | Deep Aggressive Sound | 2.5″ Inlet/Outlet | Cars & Trucks | Polished Finish. PERFORMANCE-OPTIMIZED 2.5 IN MUFFLER DESIGN: Straight-through internal construction in this 2.5 in muffler minimizes exhaust restriction and backpressure, potentially improving engine efficiency and throttle response for enhanced driving performance.