RDSports quad exhaust with Hamann diffuser installed on my 550i

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Dec 3, 2006 | 07:53 PM

#61

my530i

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Joined: Aug 2004

Posts: 4,979

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From: SJC/CA/US

Heck, it's already $3500 from cat down

I want to hear Hamann, RDSport, and Dinan exhaust sound back to back.

Dec 3, 2006 | 07:55 PM

#62

info@trinityautosport

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Joined: Oct 2006

Posts: 19,460

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From: Anaheim, CA

My Ride: F13 M6

that is a grip of money...

Dec 3, 2006 | 08:08 PM

#63

Rizbel

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Joined: May 2004

Posts: 2,863

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From: SoCal San Diego

My Ride: 545i Sport

Model Year: 2004

Engine: N62

Quote:

Originally Posted by Matt BMW California' post='363177

There are 4(Quad) exhaust pipes sticking out, so it's a quad exhaust.

Rizbel - that is like saying a Honda Civic and an M5 are the same because they are both cars! That config is faking a the reason why one would normally have a quad exhaust - to improve movement of exhaust outflow. It has tuned mufflers to make it sound funky, but thats it. It wont allow it to perform any better because its still really just a single exhaust posing otherwise...

think of it like an modded out 525 with M5 badges....

for looks - this is a GREAT mod, but I dont think this will make a car go perform better - consider it more like the m-tech mod. looks great though!!
[/quote]
Just trying to be polite, remember what Busta said?

Quote:

Originally Posted by EuroCarFan' post='363337' date='Dec 3 2006, 08:34 PM

Yes.

BTW, this is the price quote I got from a Southern California tuner last year:

RDSport Competition Header set $3855

RDSport Metal Matrix Sport CATS $3550

RDSport X-Flow Downpipe $880

RDSport Rear Silencer (Quad Pipe Conversion) $2660

You still have their nos. and info? Thanks.

Dec 3, 2006 | 08:14 PM

#64

EuroCarFan

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Joined: Aug 2005

Posts: 11,432

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From: San Jose, CA

My Ride: E60 M5, F85 X5M

http://www.carrozzeriadesign.com/

In Irvine, CA

Dec 5, 2006 | 11:35 PM

#65

Rizbel

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Joined: May 2004

Posts: 2,863

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From: SoCal San Diego

My Ride: 545i Sport

Model Year: 2004

Engine: N62

I emailed RDSports.

To: sales@racdyn-usa.com
Subject: Re: Dual Exhaust Conversion with Quad Pipes

Part Number: 130 14 62 602 DUAL SILENCER WITH QUAD TIP CONVERSION FOR E60 (N62) 545i - 550i
Please include shipping to 9XXXX. Thanks.

Reply--------

Joe,

This part is not offered at this time by Racing Dynamics in North America.

Regards,
Customer Service

Dec 6, 2006 | 05:32 AM

#66

Locksmythe

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Joined: Nov 2006

Posts: 129

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From: Northern Virginia

My Ride: Alpine White 2007 550i

Quote:

Originally Posted by EuroCarFan' post='363337' date='Dec 3 2006, 11:34 PM

That seems to agree with the other statements that the bulk of the cost is in the header and cats. The header shouldn't require such a mod, should it? It couldn't be cost effective anyway. Are there other aftermarket/tuner cats that are more reasonable?