3.5" Down pipe with V-Band flange

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This is a GN1Performance "3.5 INCH V-BAND DOWN PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is our all new 3.5" Inch V-Band Flange Downpipe constructed out of 304 stainless steel. All tig welds and is built to clear headers.

  • Note- This pipe REQUIRES an aftermarket Boost Controller
  • This item will not work on a lowered vehicle due to contact with the upper control arm.