Doug's Headers Manuals & User Guides
Doug's Headers, a PerTronix Performance Brand, manufactures high-quality exhaust headers, engine swap exhaust systems, and related automotive accessories.
About Doug's Headers manuals on Manuals.plus
Dug sarlavhalari is a premier manufacturer of high-performance exhaust headers and automotive exhaust systems, part of the PerTronix Performance Brands family. Since 1958, they have been known for producing meticulously tuned, hand-built, mandrel-bent exhaust headers that significantly enhance engine horsepower and torque.
Whether you are performing an LS engine swap, restoring a classic muscle car, or upgrading an existing exhaust system, Doug's Headers provides precisely crafted solutions. Their product line includes long tube, mid-length, and Tri-Y headers, as well as complete bolt-on exhaust systems and mounting hardware. Doug's Headers are renowned for their exceptional fitment, premium sealing beads, and durable metallic ceramic coatings.
Doug's Headers manuals
Eng so'nggi qo'llanmalar manuals+ ushbu brend uchun tayyorlangan.
DOUG S HEADERS DES102 LS Dvigatelni almashtirish egzoz tizimini ishlatish bo'yicha qo'llanma
DOUG S HEADERS D3358 LS Dvigatelini almashtirish oʻrta uzunlikdagi sarlavhali qoʻllanma
DOUG S HEADERS D306 Chevrolet 396-502 uchun metall keramik qoplamali sarlavhalar
DOUG S HEADERS D626 Toʻliq uzunlikdagi sarlavhali qoʻllanma
DOUG S HEADERS D3373 4.8-6.2L Emissiya huquqiy sarlavhalari uchun qoʻllanma
DOUG S HEADERS D104-R Toʻliq uzunlikdagi sarlavhali qoʻllanma
DOUG S HEADERS D309Y Chevrolet 348-409 Vt blokli uzun trubka sarlavhalari uchun qo'llanma
DOUG S HEADERS D355-B Toʻliq uzunlikdagi sarlavhali qoʻllanma
DOUG S HEADERS D359 Toʻliq uzunlikdagi sarlavhali qoʻllanma
Doug's Headers D3358 Installation Instructions - 1970-81 Camaro LS Engine Swap
Doug's Headers D305 Installation Instructions
Doug's Headers D353 Installation Instructions for 1955-57 Chevrolet SBC
Doug's Headers D311 Installation Instructions - 1955-1957 Chevrolet LS Swap
Doug's Headers DES102 Installation Instructions - 1963-1972 Chevy/GMC C-10 LS Swap Exhaust
Doug's Headers D103 Installation Instructions
Doug's Headers D523 Installation Instructions & Warranty - 1970-81 Pontiac Firebird
Doug's Headers D451 & D452 Installation Instructions & Warranty | PerTronix
Doug's Headers D300Y Long Tube Tri Y Headers Installation and Warranty Guide
Doug's Headers D315 Long Tube Headers Installation & Warranty for 1955-62 Corvette SBC
Doug's Headers SK102 LS Engine Swap Motor Mount Brackets Installation & Warranty
Doug's Headers D314 LS Engine Swap Long Tube Headers Installation & Warranty for 1973-87 Chevy C-10
Doug's Headers support FAQ
Ushbu brend uchun qo'llanmalar, ro'yxatdan o'tish va qo'llab-quvvatlash haqida umumiy savollar.
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Are Doug's Headers compatible with classic cars and engine swaps?
Yes, Doug's Headers specializes in exhaust systems for classic muscle cars and engine swaps, providing tailored components like headers, motor mount brackets, and transmission crossmembers.
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What warranty does Doug's Headers offer?
All Doug's Headers and Exhaust products are guaranteed to the original purchaser to be free of defects in material and workmanship for one year from the date of purchase.
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When should I re-tighten my header bolts?
Doug's Headers recommends checking all bolts periodically to ensure they have not loosened. Re-tighten them after the first 500 miles and then again at 1,000 miles.
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How do I protect my newly coated headers during engine break-in?
Extreme heat can damage the appearance of the coating during a new engine break-in. Doug's Headers recommends breaking in new motors with stock manifolds or an old set of headers to prevent this.