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Discussion Starter #1
I’m new to the mod world and starting to get into moving my 2013 WRX. Amongst other mods, I’m installing a tgv delete kit and I was wondering if I could keep the stock fuel injectors and rails or if I would have to swap them out as well?
 

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Stock downpipe? Stock up pipe turbo and wastegate setups?

Generally no, you won't need fueling mods, but the fuel system is near or at its limit with a Cobb stage 2+ (intake and turbo back) it can support a touch more but it may be time to look into fueling mods if you are going further.

I would suggest talking with the tuner who is going to handle the tuning for the tgv deletes and see what they say. I didn't see much additional fueling load but I avoided the intake for personal reasons. So I may have not had the air flow to push the fuel system.
 

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Discussion Starter #5
Stock downpipe? Stock up pipe turbo and wastegate setups?

Generally no, you won't need fueling mods, but the fuel system is near or at its limit with a Cobb stage 2+ (intake and turbo back) it can support a touch more but it may be time to look into fueling mods if you are going further.

I would suggest talking with the tuner who is going to handle the tuning for the tgv deletes and see what they say. I didn't see much additional fueling load but I avoided the intake for personal reasons. So I may have not had the air flow to push the fuel system.
Thank you, I appreciate the feedback.
 
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