Down Pipes wiestec VS the rest
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Joined: Sep 2017
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From: Los Angeles/Vegas
2004 E55 AMG
https://mbworld.org/forums/w212-amg/...ml#post7792283
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Joined: Oct 2014
Posts: 505
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2016 E63s Wagon - CCB & CF package
Yes there are gains. Check out this thread and I even show a roll race video comparison. Go to post #19.
https://mbworld.org/forums/w212-amg/...ml#post7792283
https://youtu.be/1s9SrZuwi6s
https://mbworld.org/forums/w212-amg/...ml#post7792283
https://youtu.be/1s9SrZuwi6s
That said, I want bridge pipes badly, but I won’t ever get them for as long they require engine removal on 4matic cars.
Since we are on topic, how much louder is catless vs with cats? I am debating starting to mod a bit, and get catless downpipes.
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Joined: Mar 2002
Posts: 1,041
Likes: 36
From: Ontario, Canada
E 320
This can’t possibly be just from the bridge pipes. The CLS walked away effortlessly. Probably close to 100WHP difference between these two cars if i had to guess.
That said, I want bridge pipes badly, but I won’t ever get them for as long they require engine removal on 4matic cars.
Since we are on topic, how much louder is catless vs with cats? I am debating starting to mod a bit, and get catless downpipes.
That said, I want bridge pipes badly, but I won’t ever get them for as long they require engine removal on 4matic cars.
Since we are on topic, how much louder is catless vs with cats? I am debating starting to mod a bit, and get catless downpipes.
Did it on my E63 when I had it. Now brother has the car
Got a CLS63 and did the same thing to it.
Absolutely love it!
Do a cat delete, stage 1 and call it a day!
Iron Sheik
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2016 E63s Wagon - CCB & CF package
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From: USA
E63 AMG S
This can’t possibly be just from the bridge pipes. The CLS walked away effortlessly. Probably close to 100WHP difference between these two cars if i had to guess.
That said, I want bridge pipes badly, but I won’t ever get them for as long they require engine removal on 4matic cars.
Since we are on topic, how much louder is catless vs with cats? I am debating starting to mod a bit, and get catless downpipes.
That said, I want bridge pipes badly, but I won’t ever get them for as long they require engine removal on 4matic cars.
Since we are on topic, how much louder is catless vs with cats? I am debating starting to mod a bit, and get catless downpipes.
Super Member
Joined: Oct 2014
Posts: 505
Likes: 39
2016 E63s Wagon - CCB & CF package
There’s gotta be some improvement, no? You saw a before and after? I’d love to hear they don’t do much so i can feel better about not getting them 😁
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Joined: Oct 2018
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From: NYC
AMG
Ive seen the race between the two and there is nothing in it..
There is no actual restriction inside these ‘bridge pipes’ , these vendors and companies argue flow limitations due to the oem pipe construction.
The oem bridge pipe is formed tall in the middle and not round. These companies use this oem shape to convince people this is a flow limitation as many naturally think its a bottle neck, but anyone who understand fluid dynamics, understands you aren't losing any flow volume because of the tall shape, and if the oem pipe was round and not tall , it would naturally tell your brain higher flow rate vs tall and skinny.
The hassle and expense to fit these aftermarket bridge pipes is laughable when you see little to no results in person on the road.
Non the less, the oem bridge pipe isnt gonna limit flow from 19-20psi from these small turbos, and from what i have seen, it doesnt.
These aftermarket bridge pipes, look pretty, are big, and visually appealing to the brain in terms of flow, but it is overkill for our small turbos.
Dont get me wrong, with bigger turbos, engine out, might be worth ditching the oem pipes.
just another easy money exhaust option for vendors to profit off of.
Last edited by 5soko; Jul 19, 2019 at 10:52 AM.
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'03 E55, Range Rover Sport Supercharged, Ducati 748R
I had argued this in the other thread aswell but once that massively misleading video was posted, i gave up my efforts .
Ive seen the race between the two and there is nothing in it..
There is no actual restriction inside these ‘bridge pipes’ , these vendors and companies argue flow limitations due to the oem pipe construction.
The oem bridge pipe is formed tall in the middle and not round. These companies use this oem shape to convince people this is a flow limitation as many naturally think its a bottle neck, but anyone who understand fluid dynamics, understands you aren't losing any flow volume because of the tall shape, and if the oem pipe was round and not tall , it would naturally tell your brain higher flow rate vs tall and skinny.
The hassle and expense to fit these aftermarket bridge pipes is laughable when you see little to no results in person on the road.
Non the less, the oem bridge pipe isnt gonna limit flow from 19-20psi from these small turbos, and from what i have seen, it doesnt.
These aftermarket bridge pipes, look pretty, are big, and visually appealing to the brain in terms of flow, but it is overkill for our small turbos.
Dont get me wrong, with bigger turbos, engine out, might be worth ditching the oem pipes.
just another easy money exhaust option for vendors to profit off of.
Ive seen the race between the two and there is nothing in it..
There is no actual restriction inside these ‘bridge pipes’ , these vendors and companies argue flow limitations due to the oem pipe construction.
The oem bridge pipe is formed tall in the middle and not round. These companies use this oem shape to convince people this is a flow limitation as many naturally think its a bottle neck, but anyone who understand fluid dynamics, understands you aren't losing any flow volume because of the tall shape, and if the oem pipe was round and not tall , it would naturally tell your brain higher flow rate vs tall and skinny.
The hassle and expense to fit these aftermarket bridge pipes is laughable when you see little to no results in person on the road.
Non the less, the oem bridge pipe isnt gonna limit flow from 19-20psi from these small turbos, and from what i have seen, it doesnt.
These aftermarket bridge pipes, look pretty, are big, and visually appealing to the brain in terms of flow, but it is overkill for our small turbos.
Dont get me wrong, with bigger turbos, engine out, might be worth ditching the oem pipes.
just another easy money exhaust option for vendors to profit off of.
Super Member
Joined: Oct 2014
Posts: 505
Likes: 39
2016 E63s Wagon - CCB & CF package
Exactly. Bridge pipes offer nothing measurable on stock turbos. In fact, you’d be pressed to see a difference from aftermarket DPs compared to hollowing out your cats. But to the OP’s original question, nothing from Weistec is worth the mark up unless you perceive brand recognition as something you want to pay extra for.
