downpipe woes

So my original plan of getting a JDM twin scoll flange welded to a USDM downpipe will not work. The opening at the end of the pipe requires too much massaging for the flange to line up. Thankfully, P&L Motorsports came to the rescue with this prototype twin scroll downpipe they manufactured a couple years ago. These are not produced currently (there wasn’t enough of a market). My recommendation for those considering a twin scroll swap is to buy a pre-made twin scroll downpipe that is USDM length, or get an entire bellmouth welded on:


2 thoughts on “downpipe woes

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