Thanks. So if I stick with Gintani, what will be the difference between their cat delete, 4 resonated, and HFC systems? Can someone give me details on each system as far as power gains, tune needed or not, CEL, problems with inspections?
2008 BMW M3 e92 Space Grey/Silver Novillo // 20% tint // Hardwired V1 // Painted side reflectors // Matte black kidney grills // Matte black side gills // BMW Performance steering wheel // Match Schnell air filter // RPi Scoops // Gintani Race exhaust //
2010 Lamborghini LP560-4 Spyder