exhaust system upgrade?
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exhaust system upgrade?
I'm thinking of upgrading the exhaust system on my '87 F-250 Banks Turboed 6.9L. Still has the 3" pipes and "old" muffler. I'm leaning toward the Banks "monster exhaust" set up. I'm getting 15.5 +/- mpg highway, can an exhaust upgrade improve mpg?
Thanks...
Al
Thanks...
Al
Posting Guru
Joined: Aug 2006
Posts: 2,175
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From: Kent WA
Originally Posted by redyak3
I'm thinking of upgrading the exhaust system on my '87 F-250 Banks Turboed 6.9L. Still has the 3" pipes and "old" muffler. I'm leaning toward the Banks "monster exhaust" set up. I'm getting 15.5 +/- mpg highway, can an exhaust upgrade improve mpg?
Thanks...
Al
Thanks...
Al
And in answer to your question, yes, a free-flowing exhaust will increase both your mpg AND power - especially if combined with a less restrictive air intake system.
Look in a few user galleries for ideas - mine, Dave Sponaugle's, KJLYPW's, etc....
Cargo Master
Joined: Nov 2003
Posts: 2,585
Likes: 1
From: Duluth, Mn.
The Banks Turbo Kit comes with the 3.5" exhaust. Which is perfect for the system. There's no gains to be had with a 4".
Even the PSD running 30 PSI doesn't gain anything with an exhaust over 4". It's all bling from 4" up. Unless you go all out, and start running over 50 PSI. Which requires muuch more, than just an exhaust system.
Even the PSD running 30 PSI doesn't gain anything with an exhaust over 4". It's all bling from 4" up. Unless you go all out, and start running over 50 PSI. Which requires muuch more, than just an exhaust system.
