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Wanmax Racing
New Arrivals High Flow Downpipe With Flex Bellows for BMW F90 M5 F91 F92 F93 M8 S63 4.4T V8 2018+ With Thermal Heat Shield
$390.00
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Categories: Exhaust Downpipe
100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
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DESCRIPTION
Cut Turbo Backpressure & Isolate Engine Bay Heat Soak for BMW F90 M5 / F91 F92 F93 M8 S63 4.4T V8 — 2018+.
This matched two-stage primary & secondary turbo front pipe set is crafted from thick mandrel bent T304 stainless steel, fully wrapped heavy-duty integrated metal thermal heat shield locks high exhaust heat inside pipelines to lower overall engine bay temperature and protect surrounding wiring and electronic components from heat aging damage. Variable tapered straight unrestricted internal flow layout eliminates internal flow barriers to drastically reduce exhaust backpressure, fully release twin-turbo power potential and deliver deep, aggressive raw V8 racing exhaust tone tuned for track driving. Integrated interlocked braided flexible bellows absorb engine shift vibration displacement to avoid weld fatigue cracking under long-term high-boost heavy-load driving. Ultra-precise CNC machined flanges and OEM spec mounting brackets & sensor bungs fully match factory chassis layout for complete direct bolt-on installation without cutting or any modification. Handcrafted uniform fish-scale TIG airtight welding delivers outstanding structural rigidity, resistant to extreme high boost and continuous track high-temperature operation without deformation.
VEHICLE FITMENT
- BMW F90 M5 — 2018+ (S63 4.4L Twin Turbo V8 Engine)
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BMW F91 F92 F93 M8 — 2018+ (S63 4.4L Twin Turbo V8 Engine)
KEY FEATURES
- Heavy Gauge Mandrel Bent Premium T304 Stainless Steel Construction: Thick solid pipe wall with superior anti-rust and high-temperature stability, engineered to withstand daily street use and intense track competition driving.
- Full Wrap Heavy-Duty Integrated Metal Thermal Heat Shield: Full pipeline coverage traps internal exhaust heat, effectively lowers under-hood ambient temperature and prevents heat damage to nearby electrical and plastic parts.
- Tapered Straight Unrestricted High Flow Internal Geometry: Gradient streamline pipeline maximizes exhaust airflow volume, minimizes backpressure, lifts full-range horsepower and torque output.
- Integrated Multi-Layer Braided Flexible Bellows Section: Buffers large engine displacement vibration, eliminates weld fracture risk during long high-boost, high-rev track operation.
- Precision CNC Machined Flanges + OEM Spec Mount Lugs & Sensor Ports: Laser-aligned mounting tabs and sensor holes perfectly fit original vehicle installation positions, no extra drilling or chassis cutting required.
- Master Uniform Fish-Scale TIG Air-Tight Welding: Seamless flawless airtight welds maintain structural integrity under extreme boost and sustained heat, reduce abnormal rattling and exhaust leakage risks.
- 100% Direct OEM Plug & Play Fitment: Complete primary and secondary pipe assembly replicates factory chassis routing, bolts directly to original mounting points without modification.
TECH SPECIFICATIONS
- Main Pipe Material: Thick Mandrel Bent T304 Stainless Steel
- Heat Treatment: Full Wrap Heavy-Duty Integrated Metal Thermal Heat Shield Cover
- Internal Structure: Tapered Straight Unrestricted High Flow Layout
- Vibration Buffer: Integrated Multi-Layer Braided Flexible Bellows
- Welding Process: Handcrafted Premium Fish-Scale TIG Seamless Air-Tight Welding
- Compatible Engine: S63 4.4L Twin Turbo V8 — 2018+
WHAT'S IN THE BOX
- 1 Pair Complete Full Heat Shield Tapered Straight Unrestricted High Flow Primary & Secondary Downpipe Assembly
- Full Set OEM Matching Installation Bolts, Clamps & Hardware Kit
