Even stock turbo GNs are losing HP and Turbo Spool up Speed if using the stock exhaust elbow. Some porting here will pay dividends at the track or on the street and you can save that $450 3" downpipe expense until your car is in the 11s. It will not gain you anything more than a ported elbow will if you can't run 115 mph in the 1/4 mile.

A $45 core charge is included in the price. This will be refunded when your elbow is returned to us.

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