{"title":"Heat Shielding \u0026 Thermal Insulation","description":"\u003cp\u003eThermal insulation for turbo, downpipe and manifold heat shielding. Pure silica needle mat that holds its thickness under repeated heat cycling, instead of shrinking or crumbling like cheap fiberglass blankets.\u003c\/p\u003e","products":[{"product_id":"pure-silica-needle-mat-heat-shield-24x36-wide-1-4-turbo-exhaust-insulation","title":"Pure Silica Needle Mat Heat Shield — 1\/4\" | Turbo \u0026 Exhaust Insulation","description":"\u003cp\u003e\u003cstrong\u003eBuilt for the 2022+ Subaru WRX VB hot side\u003c\/strong\u003e — FA24 headers, J-pipes and downpipes — and it cuts to fit anything else that runs hot. This is the insulating core we use on our own builds.\u003c\/p\u003e\n\u003cp\u003eIf you’re building real heat shielding around a turbo\/downpipe\/manifold, silica needle mat is the material serious people end up using—because it’s the most “no-drama” insulation core under brutal heat cycling. Cheap mats and fluffy blankets can look fine at first, then shrink, crumble, or lose thickness once they’ve been cooked and vibrated for a while. \u003cstrong\u003ePure silica needle mat is needle-punched for structural stability\u003c\/strong\u003e, so it holds shape, stays consistent, and keeps doing its job after repeated hot\/cold cycles.\u003c\/p\u003e\n\u003cp\u003eThis sheet is made to be \u003cstrong\u003ecut-to-fit and formed\u003c\/strong\u003e into custom shields, tunnel panels, and firewall barriers. It’s ideal as the \u003cstrong\u003einsulating core layer\u003c\/strong\u003e in a proper heat shield build—especially when sandwiched behind a metal skin (stainless\/aluminum) and\/or paired with an air gap.\u003c\/p\u003e\n\u003ch3\u003eWhy silica needle mat\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for exhaust-side reality:\u003c\/strong\u003e handles harsh heat cycling and vibration better than “cheap mat” alternatives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStable insulation core:\u003c\/strong\u003e holds thickness and shape instead of collapsing over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible + easy to work with:\u003c\/strong\u003e cut, wrap, and fit custom shapes without fighting it\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps reduce heat transfer to nearby components like \u003cstrong\u003ewiring, hoses, paint, sensors, intercooler piping, brake\/ABS lines\u003c\/strong\u003e, and more\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTurbo and downpipe heat shielding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManifold and hot-side bay shielding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTransmission tunnel insulation panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFirewall heat barriers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom heat shield “sandwich” builds (metal skin + silica core)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes \/ Safety\u003c\/h3\u003e\n\u003cp\u003eCutting and handling insulation materials can release dust\/fibers. \u003cstrong\u003eWear gloves, eye protection, and a mask\u003c\/strong\u003e when cutting\/handling. For best durability in high-airflow or abrasion areas, use this as a \u003cstrong\u003ecore layer behind a metal skin\u003c\/strong\u003e rather than leaving it exposed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBuild the full three-layer shield\u003c\/h3\u003e\n\u003cp\u003eThis mat is the core. A proper shield sandwiches it between two stainless skins.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/304-stainless-steel-foil-0-1mm-heat-shield\"\u003e0.1mm 304 stainless foil\u003c\/a\u003e — the skins, cut to match this mat\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heat-shield-kit-silica-mat-stainless-foil\"\u003eHeat Shield Kit\u003c\/a\u003e — mat and foil in matched quantities; the 120-inch kit saves $40 compared with buying that size separately\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/ultimate-heat-wrap-bundle\"\u003eUltimate Heat Wrap Bundle\u003c\/a\u003e — adds the spot welder to seam it\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heat-wrapping-service-3-layer\"\u003e3-Layer Wrapping Service\u003c\/a\u003e — or send us the part and we build it\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GropeTuned","offers":[{"title":"12\"","offer_id":45149817929867,"sku":"GT-HS-SIL12","price":25.0,"currency_code":"USD","in_stock":true},{"title":"24\"","offer_id":45149817962635,"sku":"GT-HS-SIL24","price":45.0,"currency_code":"USD","in_stock":true},{"title":"60\"","offer_id":45149817995403,"sku":"GT-HS-SIL60","price":100.0,"currency_code":"USD","in_stock":true},{"title":"120\"","offer_id":49325146734731,"sku":"GT-HS-SIL120","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/6737\/3451\/files\/597381007_881030464884180_8612761545990398585_n.jpg?v=1769804383"},{"product_id":"304-stainless-steel-foil-0-1mm-heat-shield","title":"0.1mm 304 Stainless Steel Foil — Heat Shield Skin","description":"\u003cp\u003e\u003cstrong\u003eThe skin we use on 2022+ WRX VB headers and J-pipes.\u003c\/strong\u003e Thin enough to form around a bend by hand, tough enough to survive the heat cycling that destroys foil tape and aluminium.\u003c\/p\u003e\n\u003cp\u003eUse it as the inner and outer skin around a silica needle mat core for a layered heat shield.\u003c\/p\u003e\n\u003ch3\u003eWhy 304, why 0.1 mm\u003c\/h3\u003e\n\u003cp\u003e304 stainless holds its structure at exhaust temperatures and doesn't scale away like mild steel or soften like aluminium. At 0.1 mm it still forms cleanly around a curve by hand, and it spot welds without burning through.\u003c\/p\u003e\n\u003ch3\u003eWhat it's for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter and inner skins for layered turbo and downpipe shielding\u003c\/li\u003e\n\u003cli\u003eWrapping over silica needle mat to hold it in place and protect it\u003c\/li\u003e\n\u003cli\u003eReflective barriers keeping radiant heat off a fuel line, harness or master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe three-layer build\u003c\/h3\u003e\n\u003cp\u003eStainless skin, silica needle mat core, stainless skin. The foil takes the abuse and reflects radiant heat; the mat helps reduce heat transfer. Joined with a spot welder, the assembly stays put through heat cycles that shake apart wraps and zip ties.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Type 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eThickness: 0.1 mm (0.004\")\u003c\/li\u003e\n\u003cli\u003eWidth: 23.6\" (600 mm)\u003c\/li\u003e\n\u003cli\u003eSold by length — see options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLengths are sized to give \u003cstrong\u003etwo skins\u003c\/strong\u003e for the matching silica mat, plus approximately 15% for cutting. Cut with ordinary tin snips. Wear gloves — thin stainless has sharp edges.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat goes with it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/pure-silica-needle-mat-heat-shield-24x36-wide-1-4-turbo-exhaust-insulation\"\u003eSilica needle mat\u003c\/a\u003e — the insulating core this foil wraps\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heat-shield-kit-silica-mat-stainless-foil\"\u003eHeat Shield Kit\u003c\/a\u003e — both, sized to each other\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/ultimate-heat-wrap-bundle\"\u003eUltimate Heat Wrap Bundle\u003c\/a\u003e — adds the spot welder for permanent seams\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heat-wrapping-service-3-layer\"\u003e3-Layer Wrapping Service\u003c\/a\u003e — we build it on your part\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GropeTuned","offers":[{"title":"42\" — wraps 12\" mat","offer_id":49322868113547,"sku":"GT-FOIL-42","price":29.0,"currency_code":"USD","in_stock":true},{"title":"84\" — wraps 24\" mat","offer_id":49322868146315,"sku":"GT-FOIL-84","price":49.0,"currency_code":"USD","in_stock":true},{"title":"210\" — wraps 60\" mat","offer_id":49322868179083,"sku":"GT-FOIL-210","price":99.0,"currency_code":"USD","in_stock":true},{"title":"421\" — wraps 120\" mat","offer_id":49322868211851,"sku":"GT-FOIL-421","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/6737\/3451\/files\/304-stainless-foil-skinned-downpipe.jpg?v=1789002094"},{"product_id":"heat-shield-kit-silica-mat-stainless-foil","title":"Heat Shield Kit — Silica Needle Mat + 304 Stainless Foil","description":"\u003cp\u003eBoth halves of a real heat shield, cut to work together.\u003c\/p\u003e\n\u003cp\u003eCheap heat shielding fails because it asks one material to do two jobs badly. This is the build that holds: a 1\/4\" pure silica needle mat core to help reduce heat transfer, wrapped in 0.1 mm 304 stainless foil to take the abuse and reflect radiant heat.\u003c\/p\u003e\n\u003ch3\u003eWhy the foil comes in double\u003c\/h3\u003e\n\u003cp\u003eA proper shield has stainless on \u003cem\u003eboth\u003c\/em\u003e sides of the mat — an inner skin facing the heat source and an outer skin facing the engine bay. Every kit here includes enough foil for both skins, plus approximately 15% for cutting losses. Measure your part before choosing a size; bends, seams and overlaps affect material use.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1\/4\" pure silica needle mat, 36\" wide\u003c\/li\u003e\n\u003cli\u003e0.1 mm 304 stainless steel foil, 23.6\" wide — double the mat's area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilding with it\u003c\/h3\u003e\n\u003cp\u003eCut the mat to shape, sandwich it between two foil skins, and join the edges. A spot welder gives the cleanest result — the join holds, the mat stays compressed, and the layers are secured together. Safety wire or stainless zip ties will also work.\u003c\/p\u003e\n\u003cp\u003eOne order, matched quantities: the foil length is already sized to skin both sides of the mat, with the cutting margin counted in. Check that the selected size covers your part, including seams and overlaps. At the 120\" size the kit also lands $40 under buying the mat and foil on their own.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 class=\"gt-xlink\"\u003eWhere this sits in the lineup\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/pure-silica-needle-mat-heat-shield-24x36-wide-1-4-turbo-exhaust-insulation\"\u003eSilica needle mat on its own\u003c\/a\u003e — if you already have stainless.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/304-stainless-steel-foil-0-1mm-heat-shield\"\u003e0.1 mm 304 stainless foil on its own\u003c\/a\u003e — if you already have mat.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/ultimate-heat-wrap-bundle\"\u003eUltimate Heat Wrap Bundle\u003c\/a\u003e — this kit plus the spot welder that makes the joins clean. The welder is only sold in the Ultimate Heat Wrap Bundle.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/heat-wrapping-service-3-layer\"\u003eDon't want to build it? Send me the part.\u003c\/a\u003e $300 flat, materials included, full three-layer wrap on a WRX header or J-pipe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRunning a \u003ca href=\"\/products\/g25-660-upgraded-ball-bearing-turbo-wrx-vb-2022-2023-2024-2025-fa24f-fa24dit\"\u003eGropeTuned turbo kit\u003c\/a\u003e? Shielding the hot side helps limit heat transfer to nearby components.\u003c\/p\u003e","brand":"GropeTuned","offers":[{"title":"12\" mat + 42\" foil","offer_id":49322868637835,"sku":"GT-KIT-HS12","price":57.0,"currency_code":"USD","in_stock":true},{"title":"24\" mat + 84\" foil","offer_id":49322868670603,"sku":"GT-KIT-HS24","price":98.0,"currency_code":"USD","in_stock":true},{"title":"60\" mat + 210\" foil","offer_id":49322868703371,"sku":"GT-KIT-HS60","price":199.0,"currency_code":"USD","in_stock":true},{"title":"120\" mat + 421\" foil","offer_id":49322868736139,"sku":"GT-KIT-HS120","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/6737\/3451\/files\/heat-shield-kit-silica-mat-over-jpipe.jpg?v=1789006976"},{"product_id":"ultimate-heat-wrap-bundle","title":"Ultimate Heat Wrap Bundle — Mat, Foil \u0026 Spot Welder","description":"\u003cp\u003eEverything needed to build proper heat shielding from nothing — the insulation, the skins, and the tool that joins them.\u003c\/p\u003e\n\u003cp\u003eMost people buy the materials and then discover they have no clean way to close thin stainless. Zip ties sag, hose clamps crush the mat, and a torch anywhere near silica is a bad afternoon. A pulse spot welder puts heat exactly where the electrodes touch: the seam holds, the mat stays compressed, and the layers are secured together.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/4\" pure silica needle mat\u003c\/strong\u003e, 36\" wide — the insulating core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.1 mm 304 stainless foil\u003c\/strong\u003e, 23.6\" wide — double the mat's area, so you get an inner \u003cem\u003eand\u003c\/em\u003e outer skin, plus approximately 15% for cutting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11.5 kW pulse spot welder\u003c\/strong\u003e with foot pedal and 100 power levels — the tool that makes the seam permanent\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe three-layer build\u003c\/h3\u003e\n\u003cp\u003eStainless skin, silica core, stainless skin. The foil reflects radiant heat and takes the abrasion; the mat helps reduce heat transfer. It is the same construction we use on our own headers and J-pipes.\u003c\/p\u003e\n\u003ch3\u003eSizing\u003c\/h3\u003e\n\u003cp\u003ePick the size by how much surface you need to cover. The foil quantity scales with the selected mat size and includes the stated cutting allowance. Measure your part first and allow for bends, seams and overlaps.\u003c\/p\u003e\n\u003ch3\u003eThe welder is only available here\u003c\/h3\u003e\n\u003cp\u003eWe do not sell the spot welder on its own. It comes as part of this bundle, because on its own it is a tool without a job.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrefer to buy pieces separately?\u003c\/strong\u003e The \u003ca href=\"\/products\/pure-silica-needle-mat-heat-shield-24x36-wide-1-4-turbo-exhaust-insulation\"\u003esilica needle mat\u003c\/a\u003e, the \u003ca href=\"\/products\/304-stainless-steel-foil-0-1mm-heat-shield\"\u003e304 stainless foil\u003c\/a\u003e, and the \u003ca href=\"\/products\/heat-shield-kit-silica-mat-stainless-foil\"\u003emat + foil kit\u003c\/a\u003e are all sold individually.\u003c\/p\u003e\n\u003cp\u003eWant it done for you instead? See our \u003ca href=\"\/products\/heat-wrapping-service-3-layer\"\u003e3-layer heat wrapping service\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 class=\"gt-xlink\"\u003eWhy we care about heat this much\u003c\/h3\u003e\n\u003cp\u003eEvery \u003ca href=\"\/products\/g25-660-upgraded-ball-bearing-turbo-wrx-vb-2022-2023-2024-2025-fa24f-fa24dit\"\u003eGropeTuned turbo kit\u003c\/a\u003e includes a custom calibration service, and calibration is where heat soak shows up first — pulled timing, slower intake-air-temperature recovery, and inconsistent pulls. Shielding the hot side helps limit heat transfer to nearby components and supports more consistent operating conditions.\u003c\/p\u003e","brand":"GropeTuned","offers":[{"title":"12\" mat + 42\" foil + welder","offer_id":49323346821259,"sku":"GT-ULT-HW12","price":129.0,"currency_code":"USD","in_stock":true},{"title":"24\" mat + 84\" foil + welder","offer_id":49323346854027,"sku":"GT-ULT-HW24","price":169.0,"currency_code":"USD","in_stock":true},{"title":"60\" mat + 210\" foil + welder","offer_id":49323346886795,"sku":"GT-ULT-HW60","price":269.0,"currency_code":"USD","in_stock":true},{"title":"120\" mat + 421\" foil + welder","offer_id":49323346919563,"sku":"GT-ULT-HW120","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/6737\/3451\/files\/ultimate-bundle-three-layer-build.jpg?v=1789006795"},{"product_id":"heat-wrapping-service-3-layer","title":"3-Layer Heat Wrapping Service — Header or J-Pipe","description":"\u003cp\u003eSend us the part. We build the shield. You bolt it back on.\u003c\/p\u003e\n\u003cp\u003eThe full three-layer wrap, done properly — 0.1 mm 304 stainless inner skin, 1\/4\" pure silica needle mat core, 0.1 mm 304 stainless outer skin, seam welded so it survives heat cycling instead of sagging into your bay after a season.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAll materials — silica mat and stainless foil, no extras to buy\u003c\/li\u003e\n\u003cli\u003eFull three-layer construction, cut and fitted to your specific part\u003c\/li\u003e\n\u003cli\u003eSpot-welded seams, not zip ties\u003c\/li\u003e\n\u003cli\u003eReturn shipping back to you\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoose your part\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFA WRX header\u003c\/strong\u003e — the 2022+ WRX VB FA24 header\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJ-pipe\u003c\/strong\u003e — the downpipe \/ J-pipe section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eOrder here and pick your part\u003c\/li\u003e\n\u003cli\u003eWe send you the shipping address and any prep notes\u003c\/li\u003e\n\u003cli\u003eShip us the bare part — clean, no gaskets or sensors\u003c\/li\u003e\n\u003cli\u003eWe wrap it and ship it back\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhy pay for it\u003c\/h3\u003e\n\u003cp\u003eA three-layer shield is not difficult, it is fiddly. Getting the foil to sit tight around a bend without creasing, and closing the seams so nothing lifts, is the part that takes practice. If you would rather spend your evening driving the car than cutting stainless, this is the option.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRather build it yourself?\u003c\/strong\u003e The \u003ca href=\"\/products\/ultimate-heat-wrap-bundle\"\u003eUltimate Heat Wrap Bundle\u003c\/a\u003e has the materials and the welder, and the mat and foil are also sold separately. The spot welder is available in the bundle.\u003c\/p\u003e\n\u003cp\u003eTurnaround depends on current queue — message us before ordering if you are on a deadline.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3 class=\"gt-xlink\"\u003eDoing a bigger build?\u003c\/h3\u003e\n\u003cp\u003eIf a \u003ca href=\"\/products\/g25-660-upgraded-ball-bearing-turbo-wrx-vb-2022-2023-2024-2025-fa24f-fa24dit\"\u003eG25-660\u003c\/a\u003e or \u003ca href=\"\/products\/g30-660-upgraded-ball-bearing-turbo-wrx-vb-2022-2023-2024-2025-fa24f-fa24dit\"\u003eG30-660\u003c\/a\u003e kit is going in, this is the right moment to have the hot side wrapped — the part is already off the car. Message us and we'll line the timing up with your calibration.\u003c\/p\u003e\n\u003cp\u003eIndividual materials: \u003ca href=\"\/products\/pure-silica-needle-mat-heat-shield-24x36-wide-1-4-turbo-exhaust-insulation\"\u003esilica needle mat\u003c\/a\u003e · \u003ca href=\"\/products\/304-stainless-steel-foil-0-1mm-heat-shield\"\u003e304 stainless foil\u003c\/a\u003e · \u003ca href=\"\/products\/heat-shield-kit-silica-mat-stainless-foil\"\u003emat + foil kit\u003c\/a\u003e\u003c\/p\u003e","brand":"GropeTuned","offers":[{"title":"FA WRX Header","offer_id":49323346952331,"sku":"GT-SVC-WRAP-HDR","price":300.0,"currency_code":"USD","in_stock":true},{"title":"J-Pipe","offer_id":49323346985099,"sku":"GT-SVC-WRAP-JPIPE","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/6737\/3451\/files\/three-layer-heat-shield-build-labelled.jpg?v=1788915934"}],"url":"https:\/\/gropetuned.myshopify.com\/collections\/heat-shielding-thermal-insulation.oembed","provider":"GropeTuned","version":"1.0","type":"link"}