
HKS Stainless 2-Bolt Up-pipe - Most Subaru Turbo EJ engines
HKS 34998-BF001 Up-Pipe – High-Flow Stainless Performance Upgrade
Upgrade your turbo Subaru’s exhaust flow with the HKS 34998-BF001 Up-Pipe, a genuine high-performance component engineered by HKS — one of the world’s most respected names in aftermarket performance parts.
Key Features
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Direct Fit Performance Part – Designed to bolt onto select Subaru WRX and Impreza turbo models with stock turbo setups, delivering improved exhaust flow right out of the box.
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Premium Stainless Steel Construction – Crafted from polished stainless steel for exceptional durability, corrosion resistance, and long-lasting strength under high-heat conditions.
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Optimized 45 mm Piping – A 45 mm internal diameter piping size improves exhaust gas evacuation, which can help reduce turbo lag and support better overall performance throughout the powerband.
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Precise Engineering – Developed with HKS’s expertise in turbo systems to maintain proper flow characteristics and reliable fitment with the factory turbocharger interface.
Performance Benefits
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Enhances exhaust gas flow for more efficient turbo response
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Supports quicker spool-up and throttle response
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Durable materials for sustained performance under demanding driving
FITMENT:
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2004-2021 Subaru STI
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2002-2014 Subaru WRX
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2006-2013 Subaru Forester XT
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2007-2009 Subaru Legacy GT
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2007-2009 Subaru Outback XT
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