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4-1 runner consolidation - Merges four primary tubes into one collector for improved exhaust scavenging and power band responsiveness
Direct Fitment Design - Uses factory anchor points
20%+ larger core volume
They're designed for plug-compatible installation with stock electrical
Heatsink Style Ball Shift Knob - 50MM - Gold MBRP 4-1 runner consolidation - MergesHeatsink Style Ball Shift Knob 50MM Gold A weighted 50mm ball shift knob with heatsink inspired cooling fins and a polished gold finish. The ball design sits low in your palm for smooth, confident shifts. Machined construction delivers durability and a premium feel every time you grab it. Ships from FL Warehouse In House Quality Check Weighted Ball Design Key Features Heatsink style fins Adds visual depth and engineered cooling without compromising