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This product is for Off-Road use only.
Q50 / Q60 Upper Downpipes replace the factory upper primary catalytic converter on VR30DDTT equipped Infiniti models.
The factory exhaust utilizes 4 catalytic converters mounted directly off of the turbo outlets. These cats are by far the largest restriction in the VR30DDTT's exhaust system, slowing down exhaust flow and creating substantial back pressure. The modular design of these upper downpipes means they can be installed in place of the upper catalytic converter and are compatible with all aftermarket lower downpipes! These downpipes can ONLY be used with aftermarket lower downpipes, and cannot be used with the stock lower catalytic converters.
These downpipes utilize factory style V-band flanges to fit the stock turbos with no aftermarket hardware needed. (Use of the existing OEM V-Band Clamp is required.)
For Maximum Performance we offers a Full Race Expansion Downpipe available HERE. This option is ideal for customers looking to get the most from their VR30 in 2.5" or 3" outlet.