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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Best Quad Tips For MPE

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      10-13-2024, 10:01 AM   #1
B58Bandit
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Best Quad Tips For MPE

Does anyone have experience fitting aftermarket quad tips on the MPE? I’ve heard that the quad tips stick out too far on the MPE as the tailpipes comes out further than stock exhaust.

I found some clamp tips on aliexpress I was going to try but wanted some opinions first. Has anyone fitted quad tips to MPE? How’s the fitment? Pics?
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      10-13-2024, 06:02 PM   #2
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I had to cut about a 1/2" off the top of the tail pipes to get a more flush fit. When attaching the new tips I had one clamp tighten to the top of the tail pipe and one clamp to the bottom of the tail pipe to help help the tips level.
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      10-14-2024, 02:38 AM   #3
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Did you notice any sound difference at all? Or 100% purely aesthetic change?
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      10-14-2024, 11:04 AM   #4
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Quote:
Originally Posted by franxx View Post
Did you notice any sound difference at all? Or 100% purely aesthetic change?
Only for anesthetics.
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      10-14-2024, 11:06 AM   #5
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Do you mind sharing where you got these tips from? Even with you cutting them back, I personally would like the quad tips more flush with the bumper/ rear diffuser. Might be a trial and error thing
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      10-15-2024, 08:34 PM   #6
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Quote:
Originally Posted by B58Bandit View Post
Do you mind sharing where you got these tips from? Even with you cutting them back, I personally would like the quad tips more flush with the bumper/ rear diffuser. Might be a trial and error thing
Might be hard to get them flush because the muffler tailpipe bends in towards the muffler and the new tail pipes are hitting the bend if I remember correctly. The other slight issue is the muffler tail pipe has a flared end and when clamping down the the new tailpipes one clamp is on the bevel which makes it hard to keep them level. https://m.aliexpress.com/store/19626...pm=a2g0n.order
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      10-17-2024, 06:54 PM   #7
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Put these on my daughter's car. Got them used on this forum. I could probably actually pull them out another 1/2 - 1" but I wanted them tucked in.

https://infiniteautowerks.com/shop/e...Carbon+-+Black

They have a note about the MPE exhaust and possibly needing to cut 1/2 - 1" off to adjust the reveal.
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      10-17-2024, 08:45 PM   #8
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Looks good. Does her car have the MPE? I like that fitment or even slightly out more.
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      10-17-2024, 09:58 PM   #9
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2021 BMW M340IX  [9.07]
I have a 2021 M340i with MPE , I got these tips at aibaba with no cutting. Intalled myself but was a little off so I took it to a local muffler shop and they adjusted them for like $20 bucks and spot welded the screws

For the tips I had paid $100 and looks like they increased the price to $143
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Last edited by M340I///M; 10-17-2024 at 10:02 PM..
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      10-18-2024, 11:37 PM   #10
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Quote:
Originally Posted by B58Bandit View Post
Looks good. Does her car have the MPE? I like that fitment or even slightly out more.
Think I’ll pull them out another inch. Hers is non-MPE I think but according to the Mfg, worst case you need to take an inch off the tailpipes of MPE and it doesn’t affect the ability to go back to stock if desired.
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      10-20-2024, 10:36 AM   #11
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Here is my car with MPE and 4" quad tips purchased from Aliexpress
Link

The muffler end pipe must be cut of about 1.5"-2" to accommodate these tips.
I've also got them spot welded for sturdy fitment.
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      10-23-2024, 02:45 PM   #12
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Quote:
Originally Posted by phani_ch View Post
Here is my car with MPE and 4" quad tips purchased from Aliexpress
Link

The muffler end pipe must be cut of about 1.5"-2" to accommodate these tips.
I've also got them spot welded for sturdy fitment.
This looks perfect for me and love the 4” size. Think I’ll be going this route.
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