Please note: This item is currently on order, but backordered from Motordyne, with no ETA. At this time, Motordyne is not providing status updates or shipment dates until product is available. ETAs provided are just estimates, and not guaranteed delivery dates, so product could arrive sooner or later than estimated.

Please be aware that these have a 25% Restocking/Cancellation Fee once ordered.

In its development phase, many different primary tube diameters, merge distances and merge angles were all dyno tested. It was found that performance is clearly affected by these variables. With multiple data points collected, a performance map was generated converging to the combination of best overall performance.

DOES NOT WORK ON 03-08 G35 AWD