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000whp out of the box and if you need even more
 Pair it with a set of AN wrenches to install fuel line fittings like a pro
(Optional) Off the shelf (OTS) tunes for 91/93 octane
 These studs are compatible with any port injection kit and can even be used with stock manifolds
MAD B58 V2 4.5" Downpipe W/ Bracket BMW F, G Chassis & Supra Shark Fin 000whp out of the boxUpgrade from the stock B58 downpipe to the MAD B58 catless downpipe for maximum airflow, power, and sound! The Mad Catless B58 Downpipe is an essential upgrade for any BMW enthusiast looking to maximize the performance of their B58 engine. Made from high quality materials, this downpipe is designed to provide maximum exhaust flow and improve turbo spool time, resulting in increased horsepower and torque. The Mad Catless B58 Downpipe is constructed
