
O le Metal Catalyst converter o le masini fa'amamāina fafo e sili ona taua e fa'apipi'iina i le faiga o le asu o ta'avale. E mafai ona liua kasa fa'aleagaina e pei o le carbon monoxide, hydrocarbons ma carbon oxides e fa'asa'olotoina mai le asu o ta'avale i ni mea e le afaina e ala i le fa'aitiitia o le okesene ma le nitrogen.
| Foliga | Tele o le atigi (mm) | Tele o le ogatotonu (mm) | Mafiafia o sela (CPSI) |
| Rotundity | Φ 30×22 | Φ 28×20 | 100/200/300/400 |
| Rotundity | Φ 35×20 | Φ 33×20 | 100/200/300/400 |
| Rotundity | Φ 35×30 | Φ 33×30 | 100/200/300/400 |
| Rotundity | Φ 35×40 | Φ 33×40 | 100/200/300/400 |
| Rotundity | Φ 35×50 | Φ 33×50 | 100/200/300/400 |
| Rotundity | Φ 35×60 | Φ 33×60 | 100/200/300/400 |
| Rotundity | Φ35 × 70/100/130 | Φ33 × 60/90/120 | 100/200/300/400 |
| Rotundity | Φ42 × 70/100/130 | Φ40 × 60/90/120 | 100/200/300/400 |
| Rotundity | Φ45 × 70/100/130 | Φ43 × 60/90/120 | 100/200/300/400 |
| Rotundity | Φ63,5 × 85/100/130 | Φ60,5 × 74,5/90/120 | 200/300/400 |
| Rotundity | Φ73 × 70/100/130 L | Φ70 × 60/90/120 | 200/300/400 |
| Rotundity | Φ93 × 70/100/130 | Φ90 × 60/90/120 | 200/300/400 |
| Rotundity | Φ100,3 × 100/130 | Φ98,3 × 90/120 | 600 |
| Rotundity | Φ144 × 150/152,4 | Φ142 × 140/142,4 | 200/300/400 |
| Rotundity | Φ190 × 200 | Φ188 × 190 | 200/300/400 |
| Rotundity | Φ420 × 100/130 | Φ416 × 90/120 | 300/400 |
| Ala tamo'e | 123×63×85 | 120×60×75 | 200/300 |
| Ala tamo'e | 123×63×100 | 120×60×90 | 200/300 |
| Ala tamo'e | 78,5×52×104 | 76,5×50×90 | 200/300 |
| Tulaga fa'atonuina o le fa'asa'olotoina | Euro2, Euro3, Euro4, Euro5, Euro6; EPA ma le CARB | ||
| Tausisia o le tausisia o le afi | afi penisini, afi diesel ma generators | ||
| Mea fa'agaoioi malosi | Pt, Pd, Rh, ma elemene eleele seasea | ||
| Meafaitino o le eleele | u'amea (FeCrAL) | ||
Pe a faʻatusatusa i le substrate seramika, e tele atu faʻamanuiaga o le substrate uʻamea:
1. Fa'aliliuina lelei o le vevela, fa'avevela vave.
2. Fa'aitiitia le mamafa o le tua.
3. Eria aoga tele.
4. Malosiaga fa'aoso sili atu.
5. Fuafuaga e laʻititi ma sili atu ona fetuutuunai.
6. Puipui manifinifi.
7. Malosi fa'amekanika maualuga.
8. Tete'e sili atu i le te'i vevela ma le tete'e atu i le vaivai o le vevela.
9. Umi atu le ola tautua.
1. Mea fa'avae u'amea lapotopoto ma oval mo ta'avale i luga o le auala.
2. Mea fa'avae u'amea mo le afi la'ititi.
3. Mea fa'avae u'amea mo ta'avale i fafo atu o le auala.
4. Mea fa'avae u'amea mo le fa'agaoioiga fa'apisinisi.
5. Fa'atulagaga fa'apitoa o le u'amea mo isi fa'aoga.