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6L Turbo Diesel Silverado and Sierra HD models combines advanced engineering
1 x Carbon Fibre Plenum Assembly
OEM-quality construction ensures strength and long-term reliability
making it the perfect choice for performance cars
HARDRACE BMW 1 Series F20 Rear Lower Subframe Brace - Q0422 M3 (E46) ENGINE & PERFORMANCE 6L Turbo Diesel Silverado andThe HARDRACE Rear Lower Subframe Brace (part no. Q0422) is a direct fit, performance upgrade over the OEM part for the BMW 1 Series (F20). Precision engineered to tighten suspension geometry, sharpen steering response and improve durability under hard road and track use. Built to a higher standard than the OEM component, it delivers a measurable improvement in feel, longevity, and feedback. Key Features Direct fit replacement for the OEM component no