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#1
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dual stage headers
I'm thinking down the road of installing a set of dual stage headers but I am also working towards reducing turbo lag. Are these a good choice for what I like to call "aggressive street driving" or are the stockers a better choice.Does a larger more free flowing exhaust induce turbo lag since turbos kinda work by exhaust backpressure?
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#2
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Re: dual stage headers
Stockers work awfully well. Usually don't need to upgrade until you have a 10 second combo. What's your setup?
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Scott Keller - GNTTYPE Founder & Moderator
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#3
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Re: dual stage headers
As far as free flowing exhaust increasing lag .. nope.... just the opposite. Anything you can do downstream of the turbo (i.e. after the turbine on the exhaust side) will ENHANCE spool up and reduce lag.
Turbos work by extracting energy from the exhaust stream (via heat and flow). The more pressure differential across the turbo, the more flow and energy.
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Ken Mosher 1987 GN original owner 650+ HP Black 2015 BMW 328xi XDrive wagon 2012 Volkswagen Tiguan (the Tig!) Night Blue Met (sold) 2006 Trailblazer SS Red Jewel Tint 395 HP AWD (sold) 2014 Silverado LTZ Crew 4WD 2012 Honda VFR 1200F Tahitian Blue (sold) 2015 BMW S1000R Racing Red 2013 Honda CBR500R Red (wife's bike) 2014 Triumph Bonneville T100 2003 Harley Davidson V Rod Anniversary Edition |
#4
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Re: dual stage headers
My current set-up is stock headers to a TA49 to THDP to a hi-flow 3" not gutted cat to a mandrel bent "Y" with 2 1/2 outlets and 2 "turbo"mufflers with currently no tail pipes.Ken mentioned aft of the turbo ,free flowing exhaust reduces lag. Headers with larger primaries would reduce pressure differential thereby reducing flow and energy. Correct me if I'm Wrong.
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