The suggested port length for a box that I am making is 25" long. It will be a square port (2.65" x 2.65") and I am planning on having a 90 degree bend around a corner. Will this affect anything such as what the box is tuned to? Thanks for the advice.

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Vehicle: 2004 Chevy Aveo Hatchback
Battery: Stinger
Wire: W.S. 0 Guage (ground/power strait to battery)
Head Unit: Eclipse CD3000
Speaker Amp: Infinity Reference 7521a
Subwoofer Amplifier: Infinity Reference 1211a
Speakers: Kicker Titanium 5.25"
Subwoofer: Image Dynamics IDQ 15"