02-05-2022, 06:37 PM
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#3 (permalink)
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Base Member
Join Date: Apr 2019
Location: ON
Posts: 4
Drives: 2018 370Z QAB 6MT
Rep Power: 6
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Quote:
Originally Posted by spoolin03
No way. +20 whp from changing from HFC to test pipes? I'm sure there's a dyno explanation for it. When I switched from stock headers and HFC to z1 headers and test pipes AND E85, I didn't gain that much power.
Edit: What kind of custom test pipe do you have?
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Yeah I was completely blown away too. I was honestly expecting 5whp max but I'm definitely not complaining. Might have to do with my car still being relatively new and less wear/power loss over older Zs.
My test pipes were originally berk HFCs that had the cats cut out by L&G Auto over in Markham. They literally just welded in a piece of pipe and that's how I got my "custom" test pipes haha.
Also, I absolutely love my HKS exhaust. It's perfect with HFCs and real nice with test pipes too. Not too loud and has probably the CLEAREST exhaust note of all aftermarket exhausts out there. Definitely brings out a nice sound of the VQ. With that being said, I'm thinking of going full 3in Vibrant titanium single exit this year cuz I got a few leaks I want to get rid of and also save some weight.
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