Quote:
Originally Posted by Calum
The dyno's Ace posted showed some loss in the mid range when use their front pipe with the 4-2-1 compared to just the 4-2-1 and the OEM front pipe. Have your tests shown a similar loss?
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The disclaimer is they're using an off the shelf Stage 2 tune from Delicious Tuning meant for a different header. In other words, their dynos showed what would happen with the ACE header when using a tune meant for a different header.