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BMW 3-Series (E90 E92) Forum
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Catalytic Converter Question - Downpipes, Aftermarket exhaust
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10-03-2012, 11:51 AM | #23 |
Major General
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just weld in some High flow 100 or 200 race cats in the midpipes. no smell.
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07 335i AT - MOTIV 750 - MHD E85 BMS flash - BMS PI - JB4G5 - Okada Coils - NGK 5992 Plugs - Helix IC - Snow Stg. 3 - Stett CP - Custom midpipes with 100 HJS Cats - Bastuck Quad - PSS10 - QUAIFE LSD - BMS OCC - Forge DVs - AR OC - ALCON BBK - M3 Chassi - Dinan CP - Velocity M rear Toe arms - Advan RZ-DF - LUX H8 - Level 10 AT upgrade
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