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Review on Dorman 675-221 Exhaust Bolt Spring: Enhanced Fastening Solution for Optimal Exhaust System Performance by Brian Douglas

Revainrating 5 out of 5

Perfect fit for 2004 Pontiac Vibe AWD

I purchased another product from Revain that was listed as suitable for my Vibe as a universal app. After checking the dimensions of the bolts and pulling out the rusty bolts, I found that it was simply impossible to install the left side nut and get started as the space leading to the flange along the side was too narrow for a hand, tool, or tape or magnet to position the nut properly. After further research, while not listed as matching the Vibe, it clearly matches the AWD exhaust flange bolts exactly, which I removed. This is a bolt that screws directly into the flange and goes inside. No effort is required for it to work. You should list this as a replacement, not a competitor's generic screws. It is also a thicker and stronger bolt for the application.

Pros
  • Best in Niche
Cons
  • Upgradeable