B Series 4-1 Narrow Header B16 B18 B20 RMF RF
*** IMPORTANT NOTE: Order processing can take up to 1-2 business days. Shipping timeframes start after the order processing has been completed. ***
- 304 stainless steel
- A/C and P/S compatible
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Suitable for all B-Series engines, B16, B18, & B20
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Suitable for 1.6l - 2.0l engine displacement
- 2.5" collector outlet
- 4-1 merge collector
- Includes gaskets and hardware
- 1 Year Warranty
- De pending on the engine setup, slim fans maybe required.
- Not factory length, you will need an extension pipe (https://jackspaniaracing.shop/products/3-way-slip-fit-adjustable-telescoping-test-pipe-2-25?keyword=test%20pipe)
- 2-piece design, combined with the 4-1 collector delivers the best performance.