I recently installed a a new Borla y-pipe and mufflers on my 87 and I would like to add a new air filter and bridge before I get it tuned. Would someone please recommend a good one for me?

Thanks
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2000 Black Convertible, Corsa Pace Exhaust, Corsa X-pipe, Halltech Stinger
1987 Black Convertible, Borla Exhaust