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**NEW STOCK** Porsche 911 Turbo Carrera / 930 / 965 Turbo Wastegate Boost Spring - 1.05 Bar (TUR 930 123 181 105)

Marsoni M251S
Sale price$105.00
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Get it in 3 business days with 1 day shipping. Friday, May 29
**NEW STOCK** Porsche 911 Turbo Carrera / 930 / 965 Turbo Wastegate Boost Spring - 1.05 Bar (TUR 930 123 181 105)**NEW STOCK READY TO SHIP TODAY** Turbo Wastegate Boost Spring Sport A Simple Cost Effective Way Of Adding Reliable Power To Your Porsche 930 965 Turbo. Elevates Maximum Boost Pressure To 1. 05 Bar (15. 23 Psi) OEM Stock Maximum Boost Pressure Is 0. 80 Bar (11. 60 Psi) For: 1976 1994 Porsche 911 Turbo Carrera 930 964 965 Turbo Specially Developed In Collaboration With Eibach Springs And Manufactured In A Back Production. Another Patrick Motorsports
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4.3 ★★★★★
Based on 801 reviews
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A
Verified Purchase
arlin frandsen
Bozeman, US
★★★★★ 5
This stuff works!
Style: 30 pcs
The heat blocking is amazing with this product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
C
Verified Purchase
Conor DeFrancesco
Birmingham, US
★★★★★ 1
Garbage quality
Style: 30 pcs
Absolutely no rigidity/stiffness. Basically just a piece of foam. Not even close to a good quality sound deadening product. Whole box of 30 pieces weighs less then 1 piece of what i usually use. If you want quality sound deadening, do not waste your time and money on this product
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Reviewed in the United States on June 8, 2026
A
Verified Purchase
Alex
Birmingham, US
★★★★★ 5
Great adhesive and easy to separate
Style: 30 pcs
​The first thing I noticed was the quality of the adhesive. It’s incredibly tacky, which is exactly what you want—once it’s pressed down, it isn't going anywhere.It was easy to trim with a standard pair of scissors. Definitely makes a huge difference in rattles and quality of music inside the cabin. highly recommend and great quality for the money. The back comes off with ease and super easy to cut and place.
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Reviewed in the United States on May 15, 2026
A
Verified Purchase
Aleah
Port Orchard, US
★★★★★ 4
It’s not bad read my review
Style: 30 pcs
It wasn’t too bad as a finisher on top of actual sound deadening. However, be sure you apply it where you want it as it does not come off. If you try to pull it off, it leaves a nasty residue and some of the foam sticks to said residue
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Reviewed in the United States on June 8, 2026
J
Verified Purchase
Jayme
Alexandria, US
★★★★★ 5
Not top grade
Style: 30 pcs
I didn't have a chance to install although I've would been very excited.
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Reviewed in the United States on June 7, 2026

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