I scraped both mine a few months after installation almost made me cry. No speed bump, just not paying attention and drove through boulders of rocks over a driveway in the middle of repair. I heard every boulder tear through the canisters. About a nickel size exactly where your scrapes are. I quickly realized it was a sleeve and not an overlay. Pricing on just rear section is not bad at all. Yours is not nearly as bad as mine, my canisters are definitely straight through the cf...sound is louder too. Just don't plan on keeping the Z much longer so no replacement happening for me.
Be glad your damage is minimal!
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2012 Z-SOLD
2014 Nismo #565 Fast Intentions CBE/HFC/Swift/SPC/RJM/H&R-15/20mm/Z1 CAI/Headers/Intake Manifold w/Uprev Tune 328.31whp/263.64tq
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