Best Rear Spoiler Kit

still shopping but Stripeclassic warranty sounds hard to beat:
1971 Plymouth Duster Gull Wing Rear Spoiler
**Watch out for cheap knockoff fiberglass versions. Chrysler never made a cheap fiberglass gull wing spoiler. They made them in ABS plastic, like this spoiler. We include a 10 year warranty on our spoilers, to not fade, chip, crack, peel or warp. If you prefer a fiberglass spoiler, we can make you one, but we do not recommend fiberglass. Remember Chrysler used ABS plastic and we use ABS plastic. We've invested $12,000 in tooling to make sure this spoiler is the most correct and accurate on the market. Not happy with our spoiler? We'll pay to send it back and refund you 100% of your shipping. Even after you've had it installed.**