The test pipe is full 3″ stainless steel with thick flanges and includes the o2 sensor location. Test pipe will help spool your turbo faster increasing boost and horsepower. A must have to maximize exhaust flow that is needed on a turbo charged car.  Expect an average of 15whp by just adding the test pipe.  Dyno graph shows an additional 54whp by adding our test pipe along with our free flowing 3inch O2 downpipe and reflash.  Our test pipe is same length as factory catalytic converter.  

-Polished 304 Stainless steel
-Chrome flange
-76mm diameter
-Thickness 1.5mm
-TIG welding
-2 bung locations for sensors

Life Time Warranty for original buyer!

Customer Review

http://www.evoxforums.com/forums/showthread.php?t=27464