Exhaust Options Index

Gprodigy

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This should help for comparing exhaust options, I'll update with more videos as I see them pop up. Or just drop videos and info to help.
ReviewerCostweightDirect Link
STOCK$0
Factory spec:
15kg (i4) 33lb
17.5kg (v6) 38lb
stock HD

compared to V12 lambo

Stock Garage
Larini
"pipes"
Cat delete pipe: $296.52

Full system:
~£1769 ($1,906.92)
(site says call for inquiry)
N/A
MILLTEK + Valve RemoteDecat $285.00

£1,706.40 on Milltek
$2,333.00 on GRP

Remote:
£270.00
N/A


full system in tunnel

Remote on OEM setup only
GRP Stainless or TitaniumDeCat
$249.00

$1,999.00 Stainless
$2,499.00 Titanium

Exhaust system:
weight from site
SS: 22lbs
T: 13lbs
360_F_438608687_O5ybNQ4fSEcGsMCyMZccbKwwER5EwF2B.jpg
no video yet
Aerie TitaniumDeCat
$399

$2,999.00 USD
Aerie Y pipe 11.0 lbs (4.99kg)

Aerie titanium exhaust 13.5 lbs (6.12 kg)

Decat pipe 1lb (0.45 kg)
3rd Cat Delete

Super Sprint
$450~weight reduction of 6.3kg
(13.8891 LBs)


 

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Time2Fly

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Great! It might be good to add a weight and dB column as well.
 
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ADC

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Great idea for a thread 👍

$296 for the Larini system sounds a bit suspect though...
 
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Gprodigy

Gprodigy

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Yeah that’s what I said . On Larini website I can’t find the pricing for full exhaust system .
same, I just put what their site had. I’ll edit it so that there’s a disclaimer
 

EZcheezy

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another milltek example. this guy only has the box/axelback/silencer part. not the 3rd cat delete
 

EZcheezy

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the price for the Lorini box/axelback/silencer part is £1769. found at the end of the revmonkey video

but need to inquire here:
 
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Gprodigy

Gprodigy

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the price for the Lorini box/axelback/silencer part is £1769. found at the end of the revmonkey video

but need to inquire here:
updated.
 
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Gprodigy

Gprodigy

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Here's a DeCat vs Full System pros and cons list from chatgpt. 💡
**De Cat System:**

Pros:
1. **Increased Power:** Removing the catalytic converter can improve exhaust flow, potentially leading to increased horsepower.
2. **Enhanced Sound:** De Cat systems often result in a more aggressive and louder exhaust note, appealing to those who enjoy a sportier sound.
3. **Simplified Design:** Since you're removing a component (catalytic converter), the exhaust system becomes simpler and lighter.

Cons:
1. **Emissions Impact:** Removing the catalytic converter may result in increased emissions, making it illegal in some areas or affecting your ability to pass emissions tests.
2. **Potential for Check Engine Light:**-NON ISSUE FOR EMIRA
"Doing a third cat delete will 100% NOT cause a check engine light.
It is an un-monitored catalyst."


3. **Legal Issues:** In some regions, it's illegal to remove the catalytic converter due to environmental and emissions regulations.

**Full Exhaust System:**

Pros:
1. **Comprehensive Performance Improvement:** A full exhaust system includes various components like headers, mid-pipes, and mufflers, providing a more comprehensive performance upgrade.
2. **Balanced Performance:** Full exhaust systems are designed to provide a balance between improved performance and maintaining compliance with emissions regulations.
3. **Tuned Sound:** Some full exhaust systems are designed to provide an enhanced exhaust note without being overly loud, catering to enthusiasts who prefer a specific tone.

Cons:
1. **Cost:** Full exhaust systems are typically more expensive than De Cat systems due to the inclusion of multiple components.
2. **Installation Complexity:** Installing a full exhaust system might be more complex than just removing the catalytic converter, requiring professional installation in some cases.
3. **Less Aggressive Sound:** For enthusiasts seeking an extremely aggressive exhaust note, a full system might not deliver the same level of raw sound as a De Cat setup.

Ultimately, the choice between a De Cat system and a Full Exhaust system depends on your preferences, local regulations, and the specific goals you have for your car modifications.
 
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Gprodigy

Gprodigy

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@Gprodigy as you get them can you add weight and decibels to the table?
done, Some sites do not have the info.

Some say the weight of their components and others only say how much is reduced from stock.

it can get a little confusing so feel free to drop info if somethings off.
 

Time2Fly

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Awesome! Hopefully people here can post the weighed items as they receive them and take them off as well.
 
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Gprodigy

Gprodigy

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Seems like Cat delete is the biggest bang for the buck in non Carb States.
Full system is pretty much a necessity for Carb.

Full system with a valve remote is great for neighborhood flexibility (especially if it has GPS memory functions.)

the Sound difference meter is still non conclusive :

Slightly better than stock⬅️ ➡️to full F1 race car sound
 

GRP

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Here's a DeCat vs Full System pros and cons list from chatgpt. 💡
**De Cat System:**

Pros:
1. **Increased Power:** Removing the catalytic converter can improve exhaust flow, potentially leading to increased horsepower.
2. **Enhanced Sound:** De Cat systems often result in a more aggressive and louder exhaust note, appealing to those who enjoy a sportier sound.
3. **Simplified Design:** Since you're removing a component (catalytic converter), the exhaust system becomes simpler and lighter.

Cons:
1. **Emissions Impact:** Removing the catalytic converter may result in increased emissions, making it illegal in some areas or affecting your ability to pass emissions tests.
2. **Potential for Check Engine Light:** Removing the catalytic converter may trigger the check engine light due to changes in emissions-related parameters.
3. **Legal Issues:** In some regions, it's illegal to remove the catalytic converter due to environmental and emissions regulations.

**Full Exhaust System:**

Pros:
1. **Comprehensive Performance Improvement:** A full exhaust system includes various components like headers, mid-pipes, and mufflers, providing a more comprehensive performance upgrade.
2. **Balanced Performance:** Full exhaust systems are designed to provide a balance between improved performance and maintaining compliance with emissions regulations.
3. **Tuned Sound:** Some full exhaust systems are designed to provide an enhanced exhaust note without being overly loud, catering to enthusiasts who prefer a specific tone.

Cons:
1. **Cost:** Full exhaust systems are typically more expensive than De Cat systems due to the inclusion of multiple components.
2. **Installation Complexity:** Installing a full exhaust system might be more complex than just removing the catalytic converter, requiring professional installation in some cases.
3. **Less Aggressive Sound:** For enthusiasts seeking an extremely aggressive exhaust note, a full system might not deliver the same level of raw sound as a De Cat setup.

Ultimately, the choice between a De Cat system and a Full Exhaust system depends on your preferences, local regulations, and the specific goals you have for your car modifications.
Doing a third cat delete will 100% NOT cause a check engine light.
It is an un-monitored catalyst.
 

Fasttoys

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Doing a third cat delete will 100% NOT cause a check engine light.
It is an un-monitored catalyst.
Yep best bang for the $$$ IMO. 3rd CAT is not going to cause any issues in non CARB states, still pass with flying colors
 
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