< Muffler model > 1.Korean car muffler model : - Hyundai : Avante, Accent, Sonata, Coupe, Gets(click), Elantra, Excel, Grandeur - Daewoo : Nubira, Lanos, Matiz, Cielo (nexia), Kalos, Leganza, Rezzo (tacuma) - kia : sportage, cerato, ceres, rio, optima, sephia (mentor), spectra, pregio, credos, carnival *all kinds of korean car model available. 2.Material : aluminized steel 3. Market : after market, oe replacement