{"product_id":"chemical-guys-c4-p4-paint-correction-kit-2-x-16-oz-heavy-cut-compound-finishing-polish-for-mirror-gloss","title":"Chemical Guys C4 \u0026 P4 Paint Correction Kit, 2 x 16 oz — Heavy-Cut Compound + Finishing Polish for Mirror Gloss","description":"\u003cp\u003e\u003cstrong\u003eChemical Guys C4 \u0026amp; P4 is a two-step paint correction kit that removes heavy defects with C4 compound and finishes to mirror-like gloss with P4 polish.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit combines a heavy-cut correction compound and a refined finishing polish to restore automotive paint. C4 Clear Cut Correction Compound is formulated to remove deep scratches, heavy swirl marks, oxidation and other visible defects, while P4 Precision Paint Perfection Polish eliminates micro-marring and holograms left after compounding. Both formulas are designed for use with dual-action and rotary polishers or for controlled hand application, and they’re safe on clear coats, single-stage paints, and even vehicles with ceramic protection.\u003c\/p\u003e\n\n\u003ch3\u003eHow aggressive is C4 at removing deep scratches and swirls?\u003c\/h3\u003e\n\u003cp\u003eC4 is built as a strong-cutting compound to rapidly level paint and eliminate significant defects that lighter polishes can’t address. It uses advanced abrasives that lift and smooth damaged clear coat without leaving excessive dust or residue, preparing the panel for the finishing step.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for heavy cutting and fast defect removal\u003c\/li\u003e\n  \u003cli\u003eReduces oxidation, towel marks, and acid rain etching\u003c\/li\u003e\n  \u003cli\u003eMinimizes dust compared with older abrasive formulas\u003c\/li\u003e\n  \u003cli\u003eWorks with dual-action, rotary, or by hand for versatility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does P4 do after compounding?\u003c\/h3\u003e\n\u003cp\u003eP4 is a refining polish designed to remove the micro-marring and holograms that compounding can produce, delivering a deep, clear reflection and improved color depth. It’s applied as the second step to enhance gloss, smoothness, and overall visual clarity of the paint surface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRefines surface after heavy compounding\u003c\/li\u003e\n  \u003cli\u003eRemoves haze and light holograms for a mirror finish\u003c\/li\u003e\n  \u003cli\u003eBoosts color vibrancy and depth of gloss\u003c\/li\u003e\n  \u003cli\u003eCompatible with both machine and hand applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this combo on ceramic-coated or single-stage paint?\u003c\/h3\u003e\n\u003cp\u003eYes — both C4 and P4 are formulated with versatility in mind and are safe for clear coat, single-stage, and ceramic-coated surfaces when used correctly. On ceramic coatings, correction should be done carefully and professionally; always test an inconspicuous area to confirm desired results before treating an entire panel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable for clear coat and single-stage finishes\u003c\/li\u003e\n  \u003cli\u003eCan be used on ceramic-coated vehicles with caution\u003c\/li\u003e\n  \u003cli\u003eRecommended to test in a small area before full application\u003c\/li\u003e\n  \u003cli\u003eWorks with DA and rotary polishers or hand pads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I get professional results with this kit as a DIYer?\u003c\/h3\u003e\n\u003cp\u003eFollow a methodical two-step workflow: compounding with C4 to remove major defects, then refining with P4 to restore gloss and clarity. Use appropriate pad selections, moderate speeds, and overlapping passes; wipe residue between steps and inspect under good lighting for consistent correction.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStart with clean, cool surfaces and wash thoroughly\u003c\/li\u003e\n  \u003cli\u003eUse cutting pad for C4 and a finishing pad for P4\u003c\/li\u003e\n  \u003cli\u003eWork in 2x2 foot sections, checking progress regularly\u003c\/li\u003e\n  \u003cli\u003eFinish with a proper paint sealant or wax for protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Chemical Guys C4 \u0026amp; P4 kit is aimed at car enthusiasts, weekend detailers, and professional detail shops that need a compact, two-step correction system. It’s ideal for anyone restoring neglected paint or refining a show car’s finish who wants workshop-grade correction without sourcing individual compounds and polishes separately. If you want a practical kit to remove heavy defects and finish with high gloss while retaining control over machine or hand application, this bundle is a solid, all-purpose choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this kit safe for ceramic-coated paint?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, but use caution: test a small area first and use gentle technique to avoid removing coating layers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use both products by hand instead of a polisher?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Hand application works, though machine polishing yields faster, more consistent results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Chemical Guys","offers":[{"title":"Default Title","offer_id":48083297042590,"sku":"B0CVPQ44J3","price":61.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/chemical-guys-c4-p4-front-packaging.jpg?v=1785830887","url":"https:\/\/northtrailauto.ca\/products\/chemical-guys-c4-p4-paint-correction-kit-2-x-16-oz-heavy-cut-compound-finishing-polish-for-mirror-gloss","provider":"North Trail Auto","version":"1.0","type":"link"}