Maptun Performance Turbo Back 2.5" Racing Exhaust System 9-3 Viggen 5 mm Inner diameter (inch):

5 mm Inner diameter (inch): 1/4 inch CC measure (see picture): 39 mm Leg length (see picture): 102 mm Color: Black Wall thickness: 4 mm Temperature range: -40 to +180 degreeC Outer diameter: 14

But actually the do88 BigPack are far better than most FMIC installations where only a core with small front surface are possible to install and often also installed partially behind the bumper beam which will reduce cooling capacity even further and often cooling below the OEM intercooler are achieved

Bend: 90 degree Inner diameter 1 (mm): 13 mm Inner diameter 2 (mm): 19 mm Inner diameter 1 (inch): 1/2 inch Inner diameter 2 (inch): 3/4 inch Leg length (see picture): 102 mm Color: Blue Wall thickness: 4 mm Temperature range: -40 to +180 degreeC Outer diameter 1: 21 mm Outer diameter 2: 27 mm Reinforcement: 3 layers Material: High quality silicone rubber / polyester fabric

Bend: 90 degree Inner diameter 1 (mm): 51 mm Inner diameter 2 (mm): 57 mm Inner diameter 1 (inch): 2 inch Inner diameter 2 (inch): 2 1/4 inch Leg length (see picture): 102 mm Color: Black Wall thickness: 5 mm Temperature range: -40 to +180 degreeC Outer diameter 1: 61 mm Outer diameter 2: 67 mm Reinforcement: 4 layers Material: High quality silicone rubber / polyester fabric

Maptun Performance Turbo Back 2.5" Racing Exhaust System 9-3 Viggen 5 mm Inner diameter (inch):Maptun Performance Turbo Back 2. 5" Racing Exhaust System SAAB Part# 04 11032 Fits: 900 (81 94) B201 & B202 Turbo Polished Gun Barrel Twin Tailpipes Catless Racing System Check Your Local Laws. Might Not be Street Legal. Performance Part by Maptun