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New Borla exhaust + high flow catalytic converters

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New Borla exhaust + high flow catalytic converters

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Old 04-30-2019, 04:43 PM
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G35 sedan
New Borla exhaust + high flow catalytic converters

Just put a new Borla exhaust and high flow cats on 03 g35 sedan but seem to be having throttle response issues (lagging until higher rpm) and a slight sulfer smell ( surely the new cats aren't bad) Looking for any and all suggestions. Thnx!
 
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Old 04-30-2019, 05:39 PM
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my dollar g, 05 Rev up with sport package
probably need a tune.
 
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Old 04-30-2019, 05:44 PM
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Sulfur smell is ALWAYS the cats. I'd call whoever you bought them from, good chance you got defective units.
 
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Old 04-30-2019, 09:50 PM
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2006 G35x with Navi etc
Originally Posted by [email protected] View Post
Sulfur smell is ALWAYS the cats. I'd call whoever you bought them from, good chance you got defective units.
Or what I'm thinking is the OP got a new exhaust and it's going wide open throttle everywhere?
 
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Old 05-01-2019, 05:04 PM
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Originally Posted by Philkinson View Post
Or what I'm thinking is the OP got a new exhaust and it's going wide open throttle everywhere?
Lol....not hardly. Turned out to be a misfire on #5
 
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Old 05-01-2019, 05:06 PM
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Originally Posted by [email protected] View Post
Sulfur smell is ALWAYS the cats. I'd call whoever you bought them from, good chance you got defective units.
Cats are good. 430-465 degree operating temp on both. CEL indicated a misfire on #5. Thnx for the help!
 
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