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 | L models 1,2 |  
 | 1. Installation is made in sequence, return to removal, but thus it is necessary to use a new lining. A tightening of bolts of fastening of a collector make gradually and in regular intervals, since the middle to edges. |  
 | Models 1,3, 1,4 and 1,6 l |  
 | 2. Installation is made in sequence, return to removal, but thus it is necessary to use a new lining. Tighten nuts of fastening of a collector gradually and consistently, beginning from the centre to edge. At connection of a reception exhaust pipe to a final collector use a new lining. |  |