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Turbeau Turbeau is offline
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Default 3inch lower chargepipe? - 01-31-2016, 09:42 AM

I was wondering if anybody is selling 3inch lower chargepipes that connect from the intercooler to an aftermarket chargepipe similar to what comes with the Wagner intercooler. I have a VRSF intercooler and don't want to restrict the piping to the 2.25inch pipe that comes with their package. Now with hot side outlets this is the biggest restriction point in the turbo piping.
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kenjermen kenjermen is offline
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Default 02-01-2016, 01:34 AM

Wagner sells theirs, but idk if it'll fir your intercooler


2009 BMW 335I with: MHD/Haltech,
precision 6870 turbo, jp Workz header,
Wagner EVO II intercooler,HKS exhaust with cutouts, stage 3 lpfp, wavtech lsd, eospeed intake manifold with fuel return and 60lb injectors
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AbacusRacingN54 AbacusRacingN54 is offline
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Default 02-01-2016, 04:11 AM

It's an option on the vrsf website...
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JBacon335 JBacon335 is offline
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Default 02-01-2016, 04:41 AM

unfortunately I'm in the same boat here since I neglected to get the lower charge pipe option with my VRSF 7". I don't see it available seperately so what would be the best course of action in this case?
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Enfiftyfore Enfiftyfore is offline
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Default 02-01-2016, 06:12 AM

Just email Tiago. sales@vr-speed.com
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Turbeau Turbeau is offline
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Default 02-01-2016, 09:23 AM

I bought the lower chargepipe from VRSF when I bought the 7" intercooler. The pipe is 2.25" in diameter. I would like to get a 3 inch pipe when I install 3" outlets.
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JBacon335 JBacon335 is offline
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Default 02-01-2016, 09:25 AM

oh wow, I just assumed the upgraded lower charge pipe matched the 3" outlet on the IC. if that's not the case I'm going to have to make something myself
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Turbeau Turbeau is offline
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Default 02-01-2016, 09:27 AM

Let me know what parts you are going to buy to make your own please. I would prefer to have a vendor prepackage the lower chargepipe though.

Last edited by Turbeau; 02-01-2016 at 09:59 AM..
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Rob@RBTurbo Rob@RBTurbo is offline
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Default 02-01-2016, 11:19 AM

We are developing assorted adapters to help out situations for connecting different sized silicone, different angles or bends, etc. If you have a need just let me know, we may already have them being produced. Pictured is an example to connect a size larger than the other together.
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See www.rbturbo.com for N54 Twin Turbo Bolt-On upgrades, or contact directly 314-630-8950 rob.rbturbo@gmail.com for a price quote.

Last edited by Rob@RBTurbo; 02-01-2016 at 11:26 AM..
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Beemin Beemin is offline
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Default 02-01-2016, 12:56 PM

I made my own out of a black 3" pipe with a 90 degree bend made by cx racing. I bought it on eBay for like $25, then when I pulled the stock one out I measured and cut the cx pipe. (Make it bigger than you think and cut again if necessary. For me, the 3" ended up being much longer than stock for it to fit perfectly...)

After it was cut I made my own bead using a home made tool. It's basically just a vice grip with a washer welded on. Then I just got a 3" to 3" 45 degree coupler which connected to the bms CP. Works great.

With outlets, I'll have full 3" plumbing to throttle body.


However, there are turbo cars pushing 1,000 hp with 2.5" plumbing, so I wouldn't expect a significant power gain unless you are making serious power. Still, our cars seem to respond well to more flow so we will see if gains will be larger with outlets and a 3" lower cp.
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07 E92 335i 6MT- BMS JB4 G5 ISO, BMS Meth Kit with dual CM7's, MMP inlets/outlets, AMS FMIC w/ custom 3" Lower CP, N54 Tuning ***, BMS CP, MHD, PE Mod Exhaust, 4" tips, Vibrant 1792's in place of secondaries, BMS OCC, N20 TMAP, RB PCV, BMS CDV Delete, BMS Clutch Stop, BMS/Shifteck SSK, BavAuto Weighted Knob, 335d intake, 335is Engine Mounts, E46 M3 Tranny Mounts, Redline Mt90 & diff, 1/4 BOV barb, OEM Aero Lip, CSL Trunk Spoiler, Painted Side Markers, Angel Eyes, Enkreuz H10R 19in Wheels, coded.
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