4" Exhaust V-band Downpipe Flange Clamp For S400 S400SXE S475 S480 T4 Borg Warner. 4" Exhaust V-band Clamp kits for Borg Warner Turbo S400 S400SXE S475 S480 T4. This is the V-band flange compatible with these BW (Borg Warner) Turbo models including: Borg Warner S400 S400SXE S475 S480 S463 S467 SX-E SX, and many others in the S400 Series.
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