OBX Performance SS Catback Exhaust System For 15-19 BMW M3 F80 M4 F82 AT MT Models. Inlet- 2.75” OD Piping- 3.0” OD Single Tip Diameter- 3.5” Double Tip Width- 7” Tip Height 3.5” Quad Tip Dual Exit Premium Mirror polished finish Made of T304 stainless steel OBX Racing Sports Catback exhaust systems feature high performance straight-flow technology to unleash the engine's maximum horsepower. Increases velocity and delivers a measurable boost on the low as well as top end. OBX Racing Sports exhaust systems smooth-flow sound gives it a distinctive tone. Each system is individually hand built from highest grade materials. Extremely competitive pricing that won't break your bank. Needless to say, this is what you can expect from a vendor of the world's largest automobile OEM manufacture supplier. 14 Gauge Mandrel bend for ultra smooth fast flow Computer Numerical Control (CNC) machined flange for precision fitment Dual Tungsten Inert Gas (T.I.G.) welding for stronger hold Increase Better/Smoother Exhaust Flow At Higher RPM To Generate More Power And Maximum Performance Out Of Your Engine. Great Power Package to Unleashed Hidden Ponies From Your Motor. Get Up To 35% Better Exhaust Gas Flow By Replacing The Restrictive And Inefficient Factory Cast Log Manifolds With These Precision Built High Flow Headers. Value Added Direct Bolt On/ Weld On Set Up Without Any Modification Precision Fit Computer CNC Machined System Dyno Tested and Track Proven to Increase Low End and Top Speed to Increase Torque And Horse Power Backed by OBX Limited Life Time Warranty against Manufacturer DefectsDon't settle for the cheaper exhausts on eBay which are known to crack over time due to cheap welding, thin flanges, and very thin wall thickness. Also comes with a lifetime warranty from manufacturer defects. Dyno proven to increase horsepower.
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