Description
Unleash the full potential of your S55-powered BMW with these 3″ Race Downpipes. Designed to replace the restrictive factory catalytic converters, they deliver:
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Faster turbo spool and sharper throttle response
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Aggressive exhaust tone that brings out the raw character of the S55
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Proven dyno gains – up to +25hp and +30lb-ft of torque with proper tuning
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Optimized exhaust flow to support high-boost and big-power builds
Constructed from 304-grade stainless steel, these downpipes feature a seamless cast v-band transition and maintain a full 3″ diameter close to the turbo outlet for maximum flow. Each unit is hand TIG-welded and finished with CNC-machined flanges, ensuring strength, precision, and long-term durability.
Installation is straightforward with Grade 12 hardware included, and they fit both RHD and LHD vehicles with no modifications required.
Why Choose These Downpipes?
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Best sound upgrade – unleash the S55 with a deeper, more aggressive tone
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Performance proven – supports big gains with tuning
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Durable design – stainless steel, TIG-welded, corrosion resistant
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Optimized flow – cast v-band transition for smooth exhaust velocity
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Direct fitment – installs with factory mounting points, no cutting/welding
Technical Specs
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Material: 304-grade stainless steel
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Diameter: Full 3″ mandrel-bent tubing
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Transition: Seamless cast v-band to pipe
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Flanges: CNC-machined for precise fit
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Welding: Hand TIG-welded for strength and consistency
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Performance: +25hp / +30lb-ft torque with tuning
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Hardware: Includes Grade 12 bolts
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Fitment: OEM and aftermarket exhausts
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Configuration: Race setup (catalytic converters removed)
Vehicle Fitment
BMW M3 (F80)
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2015–2020 (S55, including Competition models)
BMW M4 (F82 / F83)
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2015–2020 (S55, including Competition models)
BMW M2 Competition (F87)
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2018–2021 (S55 engine)
Important Note
These race downpipes are intended for off-road and track use only. They are not legal for use on public roads and may not comply with emissions regulations. Please check local laws before installation.
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