Porsche 911 European Racing Headers for 911 3.4 - 3.8 liter Motors with Street Adaptor Body Panels and Accessories_Bumpers You are building the rear

You are building the rear of the car around RS

The added depth and 2-inch forward lip extend the lower aero surface

Fitment: 911 through 993 models

Requires a 911 plastic grill

Model fitment: 1976-on Porsche 911 Turbo and RSR/930

Porsche 911 European Racing Headers for 911 3.4 - 3.8 liter Motors with Street Adaptor Body Panels and Accessories_Bumpers You are building the rearThese 3. 4 3. 8 liter Porsche 911 racing headers include muffler adapter pipes for a factory style banana muffler or a comparable stock location exhaust. Dimensions & details Engine range: 3. 4 3. 8 liters Primary outside diameter: 1 3 4 inches Primary inside diameter: 42 mm Average pair weight: 24 lbs Material: 16 gauge mild steel Construction: Equal length, mandrel bent primaries Collectors: Scallop cut three into one RSR style Included: Muffler