bluev8killer

does anyone know how big the openings are on the helix and/or alphawerks testpipes?? please let me know asap if you know. thanks in advance~jason

davidv

iTrader: (2)

Helix Nissan 350z / Infiniti G35 High Flow Cats With 200 CEL Fix <font color=#FF0000>Free Shipping</font>

Includes Passenger and Driver Side Cats

Helix DNA Series High-Flow catalytic converters provide an exceptional balance between maximum power and emission cleanliness. Our high-flow catted products features 200 cell Metal Substrate Catalysts for maximum performance and emissions reduction. We offer complete bolt on applications that have been tested to pass stringent California emissions standards. Our products incorporate full SUS304 stainless steel piping for maximum durability and good looks. Only the finest materials and manufacturing processes are used to ensure a perfect product every time. Every vehicle application is extensively researched and tested before final designs are approved for production.

- 100% SUS304 Stainless Steel

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Features: 200 Cell Metal Substrate High Flow Cat with Thermal Shield x 2

Piping Diameter: 60mm X 2

Material: 304 Stainless Steel

G35 Coupes and Sedans require slight modification to the floor panel for clearance.

bluev8killer

does anyone know about the alphawerks diameter??
the helix is 2.25 thanks david.

barthelb

FYI the info he listed was for Hi Flo Cats but yes they are 2 1/4. There is a hint of rasp with a turbo on cold nights under WOT.