Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Oldsmobile V8 - Oldsmobile A-Body / B-Body 1968-76 - Pair 74100 2012-2015 BMW 335i xDrive

2012-2015 BMW 335i xDrive

Russell® Performance and Lunati Power®

Prevent intake manifold leaks with ARP's quality fasteners

see the specs page for more details

Designed longer than factory length to correct suspension geometry on lowered S550s

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Oldsmobile V8 - Oldsmobile A-Body / B-Body 1968-76 - Pair 74100 2012-2015 BMW 335i xDriveHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Full Length Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 1 3 4" Tube