{"product_id":"dtr-design-b-series-4-2-1-street-header","title":"DTR Design B-Series 4-2-1 street header","description":"\u003cp\u003eDTR Design (imported)304 stainless  B-series 4-2-1  two step header 44mm - 48mm to 50mm secondary with a standard 64mm donut gasket exit. Available for B18-B20 and high output B20 (54mm secondary) 4-2-1 design is great for midrange and top end power with maximum ground clearance for street driven longevity. \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAC\/PS compatible \u003c\/p\u003e","brand":"DTR Headers","offers":[{"title":"B18-20 50mm Secondary","offer_id":45850760020104,"sku":null,"price":525.0,"currency_code":"USD","in_stock":true},{"title":"B20 High Output 54mm Secondary","offer_id":45850760052872,"sku":null,"price":545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/2214\/0296\/files\/image_1024x1024_2x_32c9c78a-c858-4bab-b86d-72c8fab9d0b9.webp?v=1779162823","url":"https:\/\/mrcracingcomponents.com\/products\/dtr-design-b-series-4-2-1-street-header","provider":"MRC Racing Components","version":"1.0","type":"link"}