Riss Racing mid pipes?

michsu · 07-22-2008, 11:36 AM

Has anyone seen this before?

http://www.**********s.com/product.a...idPipe_335i_KY

I have a new exhaust and downpipes, but how is this different from those? Do these really add more hp and torque?

If it's another 10 to 15 on both hp and torque, then I'll buy one..

Hunter399 · 07-22-2008, 01:57 PM

Deleting the secondary cats will give you more power and torque

Amir87 · 07-22-2008, 02:08 PM

Quote:

Originally Posted by hunter399

Deleting the secondary cats will give you more power and torque

Only 4-6 whp is to be gained with secondary cat delete. I would rate this mod mainly for sound and a SMALL bump in power.

Diesel///M · 07-22-2008, 02:26 PM

similair to borlas midpipes right??? does anyone make 3 inch ones??

wrh3 · 07-22-2008, 02:30 PM

I have the Borla and these look a little better. I don't think anyone makes 3" ones, the 2.5" are hard enough to find room to fit in the tunnel and bolt the brace on (for us e92 owners anyway).

HD Auto Salon · 07-22-2008, 09:15 PM

How long are these pipes?
Do they go from the downpipes to the exhaust?
TIA!

Adam@Riss Racing · 08-09-2008, 03:06 AM

Quote:

Originally Posted by D1swoop

How long are these pipes?
Do they go from the downpipes to the exhaust?
TIA!

They go from the downpipes to after the 2ndary cats. Straight 304 SS pipes with slip joints so no welding is involved. Makes it really easy to go back to stock!

Diesel///M · 08-09-2008, 10:46 AM

i want a full 3" setup but dont know if it can be done.. i have a e90 though

Adam@Riss Racing · 08-10-2008, 04:11 AM

Quote:

Originally Posted by Diesel335i

i want a full 3" setup but dont know if it can be done.. i have a e90 though

I think dual 3" is overkill without a turbo upgrade. The 2.5" dual setup is strong if its straight throughout. I don't think you'll see gains coming from the small turbo outlets to dual 3" all the way through the mufflers.

pharmd · 08-10-2008, 01:26 PM

dual 2.5" flows plenty of air to support 400+whp...500+whp would be necessary to need dual 3" exhaust.

Adam@Riss Racing · 08-11-2008, 01:55 AM

Quote:

Originally Posted by pharmd

dual 2.5" flows plenty of air to support 400+whp...500+whp would be necessary to need dual 3" exhaust.

+1

We've seen these cars already hit 400whp on a stock exhaust system. Should be plenty big for the power you're looking for at the moment!

07-22-2008, 11:36 AM	#1
michsu Second Lieutenant 9 Rep 280 Posts Drives: 2008 335i e90 Join Date: Jan 2008 Location: Los Angeles iTrader: (0)	Riss Racing mid pipes? Has anyone seen this before? http://www.**********s.com/product.a...idPipe_335i_KY I have a new exhaust and downpipes, but how is this different from those? Do these really add more hp and torque? If it's another 10 to 15 on both hp and torque, then I'll buy one..
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07-22-2008, 01:57 PM	#2
Hunter399 Major General 325 Rep 8,091 Posts Drives: F90M5 Join Date: Apr 2005 Location: Houston, TX iTrader: (33)	Deleting the secondary cats will give you more power and torque
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07-22-2008, 02:26 PM	#4
Diesel///M Colonel 71 Rep 2,320 Posts Drives: E92 ///M Join Date: Apr 2007 Location: IN NY/NJ, missing FL iTrader: (21)	similair to borlas midpipes right??? does anyone make 3 inch ones??
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07-22-2008, 02:30 PM	#5
wrh3 Car Guy 31 Rep 796 Posts Drives: 2005 MCS, 2013 Corvette 427 Join Date: Aug 2007 Location: ATL, GA iTrader: (10)	I have the Borla and these look a little better. I don't think anyone makes 3" ones, the 2.5" are hard enough to find room to fit in the tunnel and bolt the brace on (for us e92 owners anyway). __________________ Bill- 2005 Mini Cooper S, 2013 Corvette 427 www.billswebspace.com/bmwindex BMW CCA Member # 389948
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07-22-2008, 09:15 PM	#6
HD Auto Salon 58 Rep 554 Posts Drives: white 335i coupe/ E92 M Join Date: Jun 2007 Location: SF/SJ iTrader: (10)	How long are these pipes? Do they go from the downpipes to the exhaust? TIA!
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08-09-2008, 10:46 AM	#8
Diesel///M Colonel 71 Rep 2,320 Posts Drives: E92 ///M Join Date: Apr 2007 Location: IN NY/NJ, missing FL iTrader: (21)	i want a full 3" setup but dont know if it can be done.. i have a e90 though
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08-10-2008, 01:26 PM	#10
pharmd Enlisted Member 0 Rep 31 Posts Drives: 2007 BWM 335i Join Date: Jul 2008 Location: Morehead, KY (USA) iTrader: (0)	dual 2.5" flows plenty of air to support 400+whp...500+whp would be necessary to need dual 3" exhaust. __________________ 2007 TBSS AWD, NA, full weight, stock short block, 12.3 1.74 60' 2002 Camaro SS, H/C/I 456rwhp/415rwtq 1965 Chevy C-10 355ci stalled auto
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