Description
Unlock the True Potential of Your N55
Transform your BMW’s performance and soundtrack with the Flashark High-Flow Downpipe. Specifically engineered for the early F-chassis N55 engine, this upgrade removes the primary bottleneck in your exhaust system, allowing your turbo to breathe, spool faster, and deliver massive power gains.
Engineered for Quality
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100% Bolt-On Installation: No cutting, welding, or permanent modification required. All factory O2 sensor bungs are retained in their original positions.
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Maximum Flow: The smooth mandrel-bent tubing ensures zero internal restrictions, unlike the crimped factory piping.
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Complete Hardware Kit: Every downpipe comes with the necessary gaskets and high-strength bolts to ensure a leak-free seal from day one.
Features
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Precision 3.5″ Fitment: Designed exclusively for N55 models produced between 2012 and July 2013. (Please verify your turbo outlet size is 3.5″ before ordering).
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Significant Power Gains: Expect an increase of 15-25 HP and 20+ lb-ft of torque when paired with a Stage 2 tune.
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Faster Turbo Spool: Mandrel-bent piping reduces backpressure, significantly cutting down turbo lag for instant throttle response.
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T304 Stainless Steel: Built to last with heavy-duty, corrosion-resistant stainless steel and precision TIG-welded seams.
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Aggressive Sound: Gives your N55 a deep, throaty growl under acceleration while maintaining civility during daily cruising.
Pro Tip for BMW Owners:
To get the most out of this hardware and avoid a “Check Engine Light” (CEL), we highly recommend a Stage 2 ECU Flash (like Bootmod3 or MHD). This will calibrate your engine for the increased airflow and maximize your Horsepower gains!
What’s in the Box?
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(1) 3.5″ N55 High-Flow Downpipe
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(1) High-Temperature Flange Gasket
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(1) Set of Heavy-Duty Mounting Bolts
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