Dougs Headers 3” Black-Coated 1.75” Long Tube Headers LS1/LS6 Chevy Chevelle/El Camino 1964-1972

Dougs Headers:

D3336-B

Be the first to review this product

Highlights

Heavy-Duty 16-Gauge Tubing
Increased Exhaust Flow
Increased Horsepower
Includes O2 Sensor Extension

MSRP $810.10

$736.45

You save 9%

Skip to the end of the images gallery

Skip to the beginning of the images gallery

Product Description

Dougs Headers 3” Black-Coated 1.75” Long Tube Headers for 1964-1972 Chevy Chevelles and El Caminos with an LS1 or LS6 Engine Swap.

These stylish black-coated headers (D3336-B) are the ultimate upgrade for your 1964-1972 Chevelle or El Camino. Designed with LS engine swaps in mind, they offer increased power and torque gains. The 3” collector and 1.75” primary tubes offer more efficient exhaust flow. Everything needed for installation is included for a more streamlined process. The tubing comes pre-polished to ensure a scratch-free finish.

Features and benefits:
- Increase horsepower and torque
- Heavy-duty 16-gauge tubing ensuring long-lasting performance
- Pre-polished tubes eliminating scratches pre-coating application
- Long transition collectors and long tube design for reduced back pressure
- 3” collector with V-band collector attachment
- 1.75” primary tubes guaranteeing greater efficiency
- 0.375” flange thickness for robust durability
- Inclusive hardware for hassle-free installation

Vehicle Fitment:
- 1964-1972 Chevy Chevelle/El Caminos
- Fits GM LS1/LS6 engine swaps

Tech Tips:
- O2 bungs are welded on both collectors.
- Includes O2 sensor extension harness.
- Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent.
- Will not fit manual transmission cars with factory Z bar clutch linkage.
- Uses 3 V-band collectors with clamps provided.

California Residents: Proposition 65 Warning

Related Categories: Exhaust, Restomod

Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
1965 and older U.S. manufactured California certified vehicles

1967 and older U.S. manufactured federally certified vehicles

Installation & Fitment