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IE Polymer Air Intake System For Audi B9/B9.5 S4 & S5 3.0T
IE Polymer Air Intake System For Audi B9/B9.5 S4 & S5 3.0T
IE Polymer Air Intake System For Audi B9/B9.5 S4 & S5 3.0T
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IE Polymer Air Intake System For Audi B9/B9.5 S4 & S5 3.0T

Marsoni M251S
Sale price$261.50
Pay 4 payments of $65.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
IE Polymer Air Intake System For Audi B9/B9.5 S4 & S5 3.0TDetails FEATURES Rotomold polymer for superior heat resistance Up to 19HP & 21ft lbs over stock (with software) Flow 37% more than the factory airbox Flow 61% more than stock with IE turbo inlet Increased turbo & engine sounds Maximized turbo & engine efficiency Huge 5" air filter for excellent laminar flow Integrated velocity stack for smooth airflow High pressure & low pressure air zones Designed for stock turbo and hybrids (with IE turbo inlet)
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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1674 reviews
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Product Reviews
L
Verified Purchase
Linda Wilson
Waukegan, US
★★★★★ 5
Her go to pair!
Size: 13 Little Kid, Color: Lavendar
Good quality shoes and she loves them! Slips her foot right in! Her go to pair !
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
J
Verified Purchase
Janie L Bobst
Natrona Heights, US
★★★★★ 5
It’s a perfect shoe without the correct width it needed to be wider
Size: 5 Big Kid, Color: Lavendar
The app suggested a 6.5 but I needed it in wide and it was not an option. I had to send them back because they were too tight!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
S
Verified Purchase
Shirley Embree
Lexington, US
★★★★★ 5
That the shoes got here in time.
Size: 10.5 Little Kid, Color: Light Pink
The shoes a perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
L
Verified Purchase
Lorraine M. Messina
Fort Morgan, US
★★★★★ 5
Great shoes
Size: 2 Little Kid, Color: Light Pink
Love love love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
R
Verified Purchase
rebeca panos
San Leandro, US
★★★★★ 4
Snug fit
Size: 11 Little Kid, Color: Lavendar
Needed to size up from all other Skechers we have bought. But still very good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026

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