Nortech 2.5" (63.5mm) Top Hat Kit - Vauxhall Astra (H) VXR

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The Nortech Performance charge Pipe is a direct replacement for your factory charge pipe.

Made from 2.5”(63.5mm) mandrel bent tubing and the combination of a cast top hat this pipe provides features such as a smooth, non-turbulent 60mm – 63.5mm transition for maximum performance and increases airflow and therefore improving engine performance.

The pipe ends are bead rolled to help prevent couplers from popping off under boost and all the factory couplers are replaced with quality 4-ply silicone hoses.

The pipe is professionally TIG welded in-house and is available in a black powder coated finish.


  • Professionally TIG welded
  • Bead rolled pipe ends
  • 4 Ply silicone couplers and new hose clamps
  • Cast aluminium top with new stainless steel bolts
  • Black powder coated finish OEM look
  • 1/8" NPT boss for water methanol injection
  • Nortech logo