Any good sites for info on this? All I can find are the "I put new muffler on and got 100 more hp" kind of things. I've played with small block chevy's and know that hp doesn't come cheap, especially if it's NOT a chevy. Anyone changed exhaust, timing, cam... do these things have ecu? I know the turbo's benefit from a simple software upgrade but V8's can't find much.
Anything? Bueller? Anything?
xc90 v8 performance
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littlekings
- Posts: 2
- Joined: 16 June 2010
- Year and Model: 2010 XC90
- Location: NE Ohio
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