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DOUG S HEADERS Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for DOUG S HEADERS products.

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User Manuals, Instructions and Guides for DOUG S HEADERS products.

DOUG S HEADERS manuals

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DOUG S HEADERS D690YS Long Tube Tri Y Headers Installation Guide

July 5, 2024

DOUG S HEADERS D690YS Long Tube Tri Y Headers Installation Guide PLEASE READ BEFORE PROCEEDING PerTronix© thanks you for choosing a Doug's Headers Product. To realize the potential of Doug's…

DOUG S HEADERS DES102 LS Engine Swap Exhaust System Instruction Manual

August 17, 2023

DOUG S HEADERS DES102 LS Engine Swap Exhaust System Product Information The DES102 exhaust system is specifically designed as a bolt-on system for use in LS Swapped 1963-1972 Chevy/GMC C-10…

DOUG S HEADERS D3358 LS Engine Swap Mid Length Header Instruction Manual

August 16, 2023

DOUG S HEADERS D3358 LS Engine Swap Mid Length Header This product is designed for swapping a non-original engine into a vehicle that did not offer it. Laws vary by…

DOUG S HEADERS D306 Metallic Ceramic Coated Headers for 396-502 Chevrolet Instruction Manual

August 5, 2023

D306 Metallic Ceramic Coated Headers for 396-502 Chevrolet Instruction Manual D306 Metallic Ceramic Coated Headers for 396-502 Chevrolet A PerTronix Performance Brand ~ www.pertronivbrands.com ~ 909 599-5955 Installation Instructions &…

DOUG S HEADERS D626 Full Length Header Instruction Manual

July 2, 2023

A Per Trolik Performance, Brand— www.pertronixbrands.com ∼ 909 599-5955 Installation Instructions & Warranty Information D626 - 67-70 FORD MUSTANG & COUGAR, 390-428 NOTE: Requires Power Steering Bracket P/N H7609 NOTE:…

DOUG S HEADERS D3373 4.8-6.2L Emissions Legal Headers Instruction Manual

June 22, 2023

DOUG S HEADERS D3373 4.8-6.2L Emissions Legal Headers Instruction Manual PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES This product has been granted a California Air Resources Board (CARB) Executive Order (E0 Number)…

DOUG S HEADERS D104-R Full Length Header Instruction Manual

June 22, 2023

D104-R Full Length Header Product Information The Long Tube Headers are designed to replace the stock exhaust manifolds in AMC 68-74 Javelin/AMX, 71-74 Matador, 72-76 Gremlin. The headers are made…

DOUG S HEADERS D309Y Chevrolet 348-409 W Block Long Tube Headers Instruction Manual

June 21, 2023

Installation Instructions & Warranty Information D309Y ~ 1958-64 Chevrolet 348-409 W Block Long Tube Headers D309Y Chevrolet 348-409 W Block Long Tube Headers A PerTronix Performance Brand ∼ www.pertronixbrands.com -…

DOUG S HEADERS D355-B Full Length Header Instruction Manual

June 21, 2023

Installation Instructions & Warranty Information D355 ~ 1955-57 Chevrolet 265-400 SBC Fenderwell Exit Long Tube Headers PERTRONIX PERFORMANCE BRANDS EM ISSIONS CODES This product is Legal for use. on Pre-Pollutkon…

DOUG S HEADERS D359 Full Length Header Instruction Manual

June 21, 2023

DOUG S HEADERS D359 Full Length Header Instruction Manual www.pertronixbrands.com www.p65warnings.ca.gov PLEASE READ BEFORE PROCEEDING PerTronix© thanks you for choosing a Doug's Headers Product. To realize the potential of Doug's…