09 Non-Cat Headpipe Question
Ultimate HDF Member
Joined: Feb 2006
Posts: 5,190
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From: Eastern Washington
I like my true duals that I recently put on. Love the sound. I swapped my 09 header for the dresser duals.Yes they say I lost a little on the low end and I am sure if I put her on the dyno the numbers would show that, but I cant feel it. I also wouldn't pay $1000 for a suit and like my $20 sneakers
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Joined: Oct 2007
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From: Western South Dakota
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Road Warrior
Joined: May 2008
Posts: 1,847
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From: FT Bragg NC
I know it's not going to happen with just a cam swap. As my original post stated, I was curious about the "stock" 2-1-2 Non cat headpipe and when the change would have to happen.
Road Warrior
Joined: Jul 2009
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From: Northern Colorado
Stage II
Road Master
Joined: Apr 2010
Posts: 824
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From: O'fallon IL
Depending on the combination, you can easily see 10-20 more hp and same with tq. When you start talking about building an engine (stage III or more) the exhaust becomes a big factor. Some dual exhaust set-ups are better than others, but none will give you ther performance of a 2in1. Talk to any reputable builder and they will tell you the same.
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