TracTuff DIY Exhaust Back Pressure Damper Kit
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Payments from $13.66 with

CNC machined 6061-T6 aluminum top and bottom with integrated 1/8" NPT ports, your choice of 2.00" 2.50" or 3.00" long body (3.00" shown), your choice of Yor-Lok straight 1/8" NPT to 1/4" tube compression fitting or Yor-Lok 90° 1/8" NPT to 1/4" tube compression fitting, and 3' of 1/4" .035" wall copper tubing.
Note: Copper tubing is purchased straight, in order to ship this product for a reasonable price... it is loosely coiled to fit inside a medium USPS flat rate box. If you would like the copper coiled tightly, send an email with you order number, requesting it to have a 1.00", 2.00", 3.00", or 4.00" coil inside diameter. Regardless of diameter chosen... each end will have 4.00" of straight tube.