G35Driver - Infiniti G35 & G37 Forum Discussion

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-   G35 Sedan V35 2003-06 (https://g35driver.com/forums/g35-sedan-v35-2003-06-15/)
-   -   New Borla exhaust + high flow catalytic converters (https://g35driver.com/forums/g35-sedan-v35-2003-06/466588-new-borla-exhaust-high-flow-catalytic-converters.html)

Nosferatu 04-30-2019 04:43 PM
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!

Henry0844 04-30-2019 05:39 PM
probably need a tune.

cleric670 04-30-2019 05:44 PM
Sulfur smell is ALWAYS the cats. I'd call whoever you bought them from, good chance you got defective units.

Philkinson 04-30-2019 09:50 PM
Originally Posted by cleric670@gmail (Post 7167012)
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?

Nosferatu 05-01-2019 05:04 PM
Originally Posted by Philkinson (Post 7167028)
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

Nosferatu 05-01-2019 05:06 PM
Originally Posted by cleric670@gmail (Post 7167012)
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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