These B&B Exhaust step-headers are engineered for the Porsche 997, replacing the factory exhaust manifolds with a stepped-primary design. The stepped tubing progressively increases in diameter along the primary, a technique drawn from racing practice that helps broaden the engine's usable power delivery by improving exhaust scavenging across the rev range.
Each header is mandrel bent from the highest-grade T-304 stainless steel, keeping the tube cross-section full and consistent through every bend while withstanding the intense heat cycles headers face. They are designed, tested, and manufactured with the hand-made integrity that Billy Boat Performance Exhaust — founded by race driver Billy Boat — brings to all of its American-built systems.
Pair them with B&B high-flow cats and rear mufflers for a complete 997 system. The headers are hand-built in the USA and covered by a Limited Lifetime Warranty. Specify part number FPOR-0805 for your 997.
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Get the best prices and service on B&B Exhaust and more at Armageddon Turbo Systems (www.goturbo.net). We offer Billy Boat Exhaust's full line of performance exhaust products with the best service possible.
Armageddon Turbo Systems is a company specializing in aftermarket turbocharger systems for various vehicles, particularly trucks and muscle cars. They offer complete turbocharger kits designed to significantly increase engine performance and power output.
Armageddon Turbo Systems gained prominence for their innovative approach to turbocharging, providing bolt-on solutions that allow enthusiasts to add substantial horsepower and torque to their vehicles without extensive modifications. Their kits typically include all necessary components for installation, including the turbocharger unit, intercooler, piping, fuel system upgrades, and engine management solutions.
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