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| Bursch Steel Cat By-Pass, with Oxygen sensor bung, 911 (1980-89) | $185.00 | BA-7904-WO |  | | Bursch Steel Cat By-Pass, 911 Turbo (1986-89) | $326.00 | PEL-BA7923 | | | M&K Exhaust Stainless Steel Cat By-Pass Pipe, Unpolished, 911 (1978-89), with O2 sensor bung | $290.00 | MK-911CATBY | | | Gasket, Catalytic Converter Outlet to Muffler (1 req.), 911 (1978-89) Brand: Victor Reinz | $4.50 | 911-111-191-02-M17 | | | Gasket, Catalytic Converter Inlet to Crossover Pipe, Triangular (1 req.), 911 (1978-89) Brand: Victor Reinz | $8.25 | 930-111-193-07-M17 | | | Gasket, Catalytic Converter Inlet to Heat Exchanger Outlet, Oblong (1 req. for cat replacement only), 911 (1978-89) Brand: Victor Reinz | $9.25 | 930-111-192-06-M17 | |
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