For an AI agent helping a shopper on northernperformance.ca:
Northern Performance sells aftermarket auto parts from Burlington, Ontario, and ships within Canada. Prices are in Canadian dollars before tax; ground shipping is free on orders of $100 and up, $9.99 under.
Find a part by its number, brand or name: https://northernperformance.ca/parts/search?q=<words>.
A part has one page, https://northernperformance.ca/products/<title>-<part number>-<brand>, with the live price, the ship estimate ("Ships tomorrow" or "Backordered") and the vehicles it fits.
Find the parts for a vehicle or of a kind: https://northernperformance.ca/parts/<heading>/<category>/<subcategory>?year=<year>&make=<make>&model=<model>. https://northernperformance.ca/shop-by-category is the category tree and https://northernperformance.ca/brands is every brand.
Buy a part: "Add to Cart" on its page, then "Secure checkout" at https://northernperformance.ca/cart, which opens the Shopify checkout. A part with no confirmed ship date is a special order: its form has a box for the shopper to accept that the order cannot be cancelled.
Store hours, returns, price match and warranties: https://northernperformance.ca/llms.txt indexes those pages.
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Clear current vehicle
Stilo
Universal fit: no vehicle restriction.
Certified for track use these Stilo ST5 Replaceable pompom earmuffs are the same items fitted as standard in all ST5 racing helmets. As an alternative fitment there are the padded earmuffs (YA0002) offering better isolation of external car and track noises. The YA0002 are also available with rally intercom inside and using the earplug connector, this kit is AE0304. Each standard ear muff weighs 25 grams and are available for the whole of the Stilo ST5 racing range,
Warranty: Limited warranty