OBX Performance Exhaust Header 84-91 325i 2.5L, 86-91 325ix M20B25 Models. OBX High performance racing headers are made out of pure SUS-304 stainless steel. Dyno tested at low end and top speed to increase horsepower. Precision mandrel-bend to enhance exhaust gas flow. These one piece type headers are easy to install. Value-added bolt-on headers for any racing sport performance enthusiast. 16 Gauge Runner Wall, 0.4" flange, 1 7/8" primaries pipes, 2.5" OD Collector 87-91 BMW 325i, 325is, 325ix (LHD cars only). OBX Racing Sports 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. 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.Direct Bolt On/ Weld On Set Up Without Any Modification Precision CNC Machined Flange 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 Defects Don'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.
Trustpilot
4 days ago
1 month ago
