MACH Force-Xp 2-1/2 IN 304 Stainless Steel Cat-Back Exhaust System w/Black Tip Superseded to 49-36040-1BaFe POWER's new Mach Force-XP series cat-back exhaust system for your 2010 - 2018 Toyota 4Runner with the V6-4.0L engine will get you there with speed and style. Designed from 2-1/2" & 3" mandrel bent, 304 stainless steel, this exhaust system offers greater flow to deliver more torque and horsepower than the factory exhaust. This 4-piece designed cat-back system utilizes a less-restricting, high-flow, high temp metallic black muffler to improve your 4Runner's performance while maintaining a deep, smooth tone. 100% hand MIG-welded by certified craftsmen for proven quality and durability, the Mach Force-XP exhaust system includes a a 4" x 12" black resonated exhaust clamp-on tip to give your 4Runner a clean, finished look. Performance Gains: In testing, the cat-back exhaust system resulted in gains up to +11 horsepower and +19 lbs. x ft. of torque, as measured on our in-house dyno. Flow and Performance: This Mach Force-XP series exhaust system is constructed of 2-1/2" & 3" mandrel bent, 304 stainless steel tubing for maximum flow, low turbulence, increasing torque, horsepower, and improved throttle response. 4" x 12" Resonated Stainless Steel Exhaust Tip: This exhaust system is finished off with a 4" x 12" resonated stainless steel exhaust tip that gives your 4Runner a clean, stylish, finished look. Aggressive Sound: 22" less restrictive muffler absorbs high pitch tones producing a powerful, aggressive, smooth tone under load and features a high-temp metallic black protective coating. Leak-Free Seal High quality band clamps and hardware are used for a complete 360-degree sealing surface. Perfect Fit: OE-style bayonet hangers are used to maintain a stable exhaust pipe location during any driving conditions. The bayonet tip holds the hanger bushing in place for a long-lasting, OE-style fit. This makes for an easy installation with no cutting required.