Huron Speed T4 4″ Bumper-exit Downpipe for 4″ Exit turbos


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SKU: T4-4DP Category:


HSP 4″ Bumper Exit Downpipe for our 98-02 F-body Single T4 Kits

-This bolts up to our V3 T4 98-02 F-body Kits when using turbo with 4″ exit such as a Borg Warner S400 or the Next Gen VSRacing 7875 w/ 4″ 1.25 a/r housing. This will not fit the V1 T4 kit as it will contact the wastegate.

-4″ Stainless steel piping

-POLISHED 4″ Stainless Tip to exit passenger’s side of front bumper

-Receive exactly what you see in the photo!

-Requires removal of the OEM coolant overflow tank

-Also include a v-band to slip fit cold side adaptor and tight clearance 90* coupler to help adapt cold-side when using a S400.


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