Home - Return to Previous Page
Click on image to zoom

Turbo Catalytic Converter Bypass Pipe/Downtube

This Turbo Catalytic Converter Bypass Pipe/Downtube is brought to you by FabSpeed for your Porsche. All 944 Turbo Products 1986-1990

+20-40 HP and more Torque depending on modifications.

+.15 Bar more boost on bone stock car. PCA/POC Racer's Secret Weapon!

Simple and easy bolt-on installation direct replacement for the stock catalytic converter/downtube on all 944Turbo 951 cars. C.N.C. mandrel bent T304 stainless steel mirror polished to a showcar shine.

Super throttle response, reduced turbo lag. Much more power than the 2.5" bypass. +.15 Bar alone over stock exhaust with 2.5" catbypass pipe.

Hundreds of these 3.0" 76.5mm catbypass pipes/performance down tubes have been sold worldwide. Racers to street performance enthusiasts and daily drivers love the significant power advantage and value over mild steel catbypass pipe and reduced turbo lag.

More sports car sound, yet not too loud. It's a WIN - WIN deal.
Was: $687.50
Sale: $605.00


All parts come unpainted. Professional help required.


  • 535163
  • 535163
  • FabSpeed
  • New

Shipping Information

  • Item Requires Shipping
  • $49.99