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Quantity
1
Description
DTR Design (imported)304 stainless B-series 4-2-1 two step header 44mm - 48mm to 50mm secondary with a standard 64mm donut gasket exit. Available for B18-B20 and high output B20 (54mm secondary) 4-2-1 design is great for midrange and top ...
Reviews
5.0
8 ratings
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1
Please keep producing these and great service
T
THIEN · July 21, 2026
Great product, good quality, direct fit, and great ground clearance too