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#11
12-18-2013, 11:34 PM
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Quote:
As for the intakes...they've been all debated both for & against. Personally, the 3.0 isn't meant for speed, and little mods like that are going to be nothing more than a waste of money as well as a disappointment in mere marginal gains. The only way to get some serious gains on our humble little straight 6's is something like an ESS kit....but the $5k proce tag scares most off.
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2004 X5 3.0i Mod list: Currently Longer than the maximum allowed characters that can be typed here...  
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#12
12-18-2013, 11:48 PM
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Ah well. Not like I'm planning to drive it like I stole it. Killed my pickup truck, van, and Subaru outback that way hehehe. I suppose it's fast enough as-is.
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Motivation can change what you do, but inspiration can change who you are. --------------------------------------------------------- 2003 BMW X5 3.0i, Black Sapphire, 287,423 km and kicking!  www.sam-medina.com My online graphic novel:  
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#13
01-03-2014, 10:33 AM
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I've been told by a local indy shop that installing headers on my 3.0 after removing the front cats can get me 20 more horses. We don't have emissions testing here in SC, so removing the cats is legal. Is my indy just feeding me a pile of horse droppings?
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 2003 E53 3.0i DOB 10/15/2002 Sienna red, Savannah Beige Dakota leather Type FA53, Engine M54B30 2018 G02 30i DOB 4/21/18 Black Sapphire Metallic / Canberra Beige Vermasca leather Engine B46O
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#14
01-03-2014, 10:56 AM
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Maybe with removed cats, a catback exhaust, bigger intake, Dinan throttle body and software tune for it, you might gain 10 ponies or more.
NA motor performance mods are always more expensive and yield very little gains until you start doing cams and the like. I mean even an engineered catback like Eisenmann I think might advertise a gain of 6-7 hp? And thats over 1k just for the exhaust. Not to mention the o2 sensor spacers you'll have to install to keep the CEL away, IMO I wouldn't remove the cats.
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards
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#15
01-03-2014, 10:57 AM
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Maybe with removed cats, a catback exhaust, bigger intake, Dinan throttle body and software tune for it, you might gain 10 ponies or more.
NA motor performance mods are always more expensive and yield very little gains until you start doing cams and the like. I mean even an engineered catback like Eisenmann I think might advertise a gain of 6-7 hp? And thats over 1k just for the exhaust. Not to mention the o2 sensor spacers you'll have to install to keep the CEL away, IMO I wouldn't remove the cats.
__________________
2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards
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