Originally Posted by dubcREX3
No effect on power whatsoever. Correct me if i'm wrong, but you want as little back pressure after the turbo as possible when in comes to a forced induction car.
Yes. Turbos are happiest with zero backpressure. Its not like an NA motor that needs backpressure. The motor gets PLENTY of backpressure from the exh housing of the turbo itself. So you want ZERO (or as close to it) restriction after the turbo.