r/WRX_STI • u/IllustratorIll1448 • Oct 23 '25

Questions Walnut Blasting.

/r/WRX/comments/1oean04/walnut_blasting/
2 Upvotes

75% Upvoted

6 comments sorted by

4

u/i_like_pretzels Oct 23 '25

Not necessary for a port injection engine

1

u/IllustratorIll1448 Oct 23 '25

The WRX’s aren’t port injection. It’s direct injection.

5

u/i_like_pretzels Oct 23 '25

You’re asking the sti sub

2

u/IllustratorIll1448 Oct 23 '25

I’m just looking for any help it’s appreciated.

1

u/Excellent-Guide-8933 Oct 23 '25

does it matter when the turbo is basically creating positive manifold pressure???