2-1/2" OD Full Exhaust Fabrication System

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This complete FE Series fabrication kit will take you from design to finished custom full exhaust systems. Included with each block kit are both straight and curved blocks, which come in a variety of radii and degree bends. Each block features arrows to help with orientation, helping to plan as few cuts as possible. Blocks easily snap together and come apart, allowing you to test a number of different design iterations and make adjustments as issues arise. Blocks of different sizes can be connected together to simulate a step joint. Next, the cutting jig and cut spacers will allow for cutting of pre-bent U- and J-bends with 3, 3.5, 4, and 5-inch Centerline radii. This will allow you to cut a metal recreation of the plastic block sections that comprise your exhaust system without the need to actually measure any angles. Use with an upright bandsaw for quick and accurate cuts. Finally, the included clamps allow welders to preview and adjust pieces before tack-welding them, allowing for more precise assembly. Once tack-welded, the clamps can be removed at the joint can be properly welded together.


  • (24) 5 inch straight blocks
  • (36) 1 inch straight blocks
  • (36) 3 inch CLR 15-deg blocks
  • (36) 3.5 inch CLR 15-deg blocks
  • (36) 4 inch CLR 15-deg blocks
  • (36) 5 inch CLR 15-deg blocks
  • (4) Block adapters
  • (4) 2.5 inch OD tack welding clamps
  • FESeries radial cutting plate
  • Cutting spacers for 3, 3.5, 4, and 5 inch CLR
  • User manual
  • FESeries design control sheet pad
  • Plastic carrying case