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RPi GT Exhaust 535i + 25ft/lbs&10whp

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Old 04-16-2009, 09:17 AM
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The official price is set at $2399. We are making a slight change that will bring the cost down. Guys who want to bolt their secondary cats back on can buy our optional adaptor kit for $65.

We'll have an intro/gb price for the 535i exhaust at: $1950. This price will be good for the first 12 customers. Production will begin today and they will be shipping in about 45-50 days.

Specs/Details are:

- T304 Stainless Steel
- V-band aero connections
- True Dual exhaust (dual piping, dual mufflers, etc)
- RPi limited lifetime warranty
- Complete BOLT ON system (no modifications)
- Massive hp/tq gains even under heat soak
Old 04-16-2009, 09:59 AM
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that's a great price for an exhaust with such high gains. I paid close to $1800 including install for just the section 3 Dinan. the performance was no where near the RPI exhaust lol! Price vs HP gains= no comparison.

FOR THOSE WHO ARE WORRIED ABOUT WARRANTY ISSUES: The dealership will void Dinan products if the dealership can prove that the source of the problem is from the actual modification. I have also spoken to a SA @ Sterling BMW in newport beach, ca and according to him modificaitons such as exhaust, suspension and wheels are usually are never voided. The SA himself owns a E60 M5 with a ecu reflash and full catless race exhaust. I have taken my 535i in to the dealership with my wheels, coilovers, exhaust, scoops, and air filter and NEVER have had problems.
Old 04-16-2009, 10:30 AM
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Get on the list...This is a great price they are offering...


We'll have an intro/gb price for the 535i exhaust at: $1950. This price will be good for the first 12 customers. Production will begin today and they will be shipping in about 45-50 days.


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Old 04-16-2009, 10:38 AM
  #64  
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Originally Posted by GENEaTALS' post='848536' date='Apr 15 2009, 07:22 PM
see below, answer was posted above a few posts...
If the exhaust is bolted onto the downpipe, that mean we will loose the cat, right? If that's the case, I wonder how smelly it's going to be...
Old 04-16-2009, 10:49 AM
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Originally Posted by 08E60' post='849429' date='Apr 16 2009, 11:38 AM
If the exhaust is bolted onto the downpipe, that mean we will loose the cat, right? If that's the case, I wonder how smelly it's going to be...
if you read the post before, there is an adapter you can purchase for $65.00 to attach your stock cats back on.
Old 04-16-2009, 12:18 PM
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does it fit the 535xi wagons?
Old 04-16-2009, 12:21 PM
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That's a really nice gain! Did you guys happen to dyno the car with a wideband O2 pickup in the exhaust? If so, what was the before and after air fuel ratio?
Old 04-16-2009, 07:31 PM
  #68  
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Originally Posted by dbae1978' post='849443' date='Apr 16 2009, 02:49 PM
if you read the post before, there is an adapter you can purchase for $65.00 to attach your stock cats back on.
I saw that, but I am just wondering how smelly it is without the cat...
Old 04-16-2009, 07:51 PM
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Originally Posted by 08E60' post='849968' date='Apr 16 2009, 08:31 PM
I saw that, but I am just wondering how smelly it is without the cat...
The smell wouldn't be bad at all since the primary cats are not removed.
Old 04-17-2009, 11:58 AM
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Originally Posted by joe@raceprecision' post='849978' date='Apr 16 2009, 11:51 PM
The smell wouldn't be bad at all since the primary cats are not removed.
thanks for your info...


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