"larini clubsport 8 inch exhaust"
that'd be my first guess.
Id say cup car air box is the issue. I put it on a few months ago and I'm getting the same code...
2007 Exige S - Chili Red
2009 Mini Cooper S - Chili Red
Gotham 265, Nitron Sport Pro, Moroso oil pan, RTVBrace, Volk CE28N/R888, Cup Wheels/A048, 2Bular Ultra 4", Rapfix II w/ Sparco P300, S111 CF Splitter, Ultradiscs, Pagid RS42, V-Force Harness Bar, Schroth PROFI II, Fire Extinguisher, Folding Tow Hook, Odyssey PC680, re-ENFORCER, LLumar 30% tint, Traqmate, DashDAQ, Chasecam, Alpine IVA-D100 w/ Backup Camera.