Any reliability concerns introduced with this kit? Always hear about how mods for this car require tuning to ensure reliablility..
Hey there! Tuning changes are not required when changing out the cat-back exhaust.
What are the horsepower and torque gains?
There generally aren't power gains associated to changing the cat-back exhaust.
And still no 2015-2021 WRX flex fuel burned your customers and still have not made it right.
As we have stated MULTIPLE times, we are working on reintroducing Flex Fuel for the 2015-2021 WRXs. Current timeline is March-ish, pending some emissions lab results. More info here:
www.cobbtuning.com/subaru_gateway/
Cannot wait to purchase!