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Easy to install (on my rust free xterra) and they are working great now. My only complaint is that they ...

It's really hard to screw this up so they didn't manage to do so ...

It's nuts and bolts, I'd hope they wouldn't mess that up ...

Exactly as described virtually no noise and the rev match works like oem. ...

Check engine errarse and it actually sounds way more refined ...

The only one that actually works, I’ve ordered from Amazon and other places and this it’s the only one that ...