I didn't get that belly pan either, wonder if FFR will still provide it?
Call FFR as they should have it noted that it did not ship with your rear diffuser and they will send you a new one
Tony Nadalin
2018 SOVREN Big Bore Champion
2015 SCCA Oregon Region VP3 Champion
2012 ICSCC ITE Class Champion
FFR MkII Challenge Car, Spec Racer, Street Legal, SCCA, ICSCC and NASA Racing
818R Build in progress