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im wanting to order a magnaflow y pipe soon and i was wondering i have a 2005 dodge ram rumble bee with 5.7l hemi and would i need 3in. inlets and outlet or 2.5in inlets and 3in outlet
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"Michael" Truck of the Month July 2006  |
its up to you man, the truck doesn't have to have a certain size. You could run full 3 in exhaust. Or you could run full 2.5 in exhaust. Really kinda depends on your mods. do you have longtube headers? or is it still stock? If you do have longtube headers, I would just replace everything with 3 in exhaust so you would need 3 in outlet and inlet. But if you still have the stock headers, then 2.5 inlet/outlet. Then I would also change out the whole exhaust system to match the 2.5 in y pipe. I believe the stock pipe is 2.25 but I have never measured it, its just what I have read.
____________________________________________________ MY RIDE 2004 1500 Hemi RCSB\Inertia Motorsports Spartan Cam\Inertia Motorsports CNC Ported 5.7 Heads\AEM Wideband A/F Gauge\SCT TUNED\Flex-A-Lite Electric Fan\180 Thermostat\Shorty Taylor Wires\NGK 5306 Plugs\aFe Cold Air Intake System\Long Tube Pacesetter Headers\Cat Delete\Dual DMH Electric Cutouts\Magnaflow X Pipe\True Duals with 2 AeroTurbine 3030's dumped\Motive 4.56 Gears with LSD\SharaDon Performance Stage II Transmission with Stage III Valve Body\Edge 3000 Billet Torque Converter\Cal Tracs\McGaughy's 2/4 Drop Click here for pics and couple vid's of my truck! |
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"Dave" HTC.com Man of the Year - 2008 VP Kentucky Chapter Truck of the Month April 2006  |
I've got the 2.5 inch in 3 inch out.
'05 RCSB 1500 SLT 5.7 Hemi Ram - 4" ram air from fog light hole - Amsoil drop-in filter - AirAid MIT - Taylor shorty wires - FM 50HD SI/SO 3" Magnaflow y-pipe - General Grabber UHP 295/50 20 tires - Superchips Flashpaq 3815 - Motive 4.56 gears - Detroit Truetrac differential Lakewood traction bars - PML differential cover - Best reaction time .011 @ Bowling Green Best 1/8 mile 9.28 @ Bowling Green - Best 1/4 mile 14.51 @ Bowling Green - ETs before gears, DTT, traction bars, improved ram air, and y-pipe                 |
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ok well i know that when i had a flowmaster muffler put on and had to have some more pipe put on the guy at the shop said our trucks ran 3in exhaust pipe so i was just wonder if it all was 3 in or after our stock y is three inch and dave how you like your y pipe
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"Dave" HTC.com Man of the Year - 2008 VP Kentucky Chapter Truck of the Month April 2006 |
I like it. My truck seems to breathe better. I haven't had a chance to get to a track to see if it helps. Since I got the y-pipe put on I got the 4.56 gears, Truetrac, and traction bars. All that together should help my times a good bit.
 '05 RCSB 1500 SLT 5.7 Hemi Ram - 4" ram air from fog light hole - Amsoil drop-in filter - AirAid MIT - Taylor shorty wires - FM 50HD SI/SO 3" Magnaflow y-pipe - General Grabber UHP 295/50 20 tires - Superchips Flashpaq 3815 - Motive 4.56 gears - Detroit Truetrac differential Lakewood traction bars - PML differential cover - Best reaction time .011 @ Bowling Green Best 1/8 mile 9.28 @ Bowling Green - Best 1/4 mile 14.51 @ Bowling Green - ETs before gears, DTT, traction bars, improved ram air, and y-pipe |
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oh yea it should you probably should be able to hit a 8.9 with that set up if not you should be a good 9.0
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