- First Name
- Jason
- Joined
- Jun 15, 2020
- Threads
- 8
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- 786
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- 2,159
- Location
- Atlanta, GA
- Vehicle(s)
- 2004 Subaru WRX STI, 2DR Badlands Reservation
- Your Bronco Model
- Badlands
Generally speaking, if you get a tune that is not from Ford, it will void the drivetrain warranty. If you remove the cats you'll need a tune anyway. And depending on the state you live in, you'll fail emissions if you remove them. Of course you could always swap out the exhaust for inspection and put it back when done. Cats also make the exhaust quieter. The turbos will spool faster without them and hold boost better to redline.Can someone tell me more...?? I am assuming removing the Cats would void warranty, but it makes since..
Now upgrading the airbox wouldn't void warranty, right? Would I really get more of the sounds of the turbos and wastegate? The wastegate term is new to me, but I like hearing my BL might have it.. This would increase engine response and MPG right?
Ford Performance will have a cold air intake system you get can that will not void any warranty. I have seen people get better MPG off an aftermarket tune. However, if you're getting a tune you're usually also getting more power and torque which will not merit more MPG. Especially when you want to put your foot in it more.
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