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Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust w/ 4in Black Chrome Tips
Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust w/ 4in Black Chrome Tips
Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust w/ 4in Black Chrome Tips
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Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust w/ 4in Black Chrome Tips

Marsoni M251S
Sale price$832.46
Pay 4 payments of $208.12 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Injen 16-18 Ford Focus RS 3in Cat-Back Stainless Steel Exhaust w/ 4in Black Chrome TipsSKU: SES9004 UPC: 843115027247 Injen 16 18 Ford Focus RS 3in Cat Back Stainless Steel Exhaust w 4in Black Chrome Tips Transform the sound and power of your 2016 2018 Ford Focus RS with the Injen SES9004 3 inch cat back exhaust system crafted from T304 stainless steel. This direct fit system adds up to 16 horsepower and 14 lb ft of torque while delivering a deep aggressive tone. Engineered for seamless installation using factory hangers it bolts on
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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
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miguel vazquez
Charlottesville, US
★★★★★ 5
Great oil
Won’t use another brand now that I’ve used these guys. Phenomenal brand, noticeable difference in the engine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
C
Verified Purchase
Carlos G
Phoenix, US
★★★★★ 5
Recommended
Excellent quality, a synthetic mixture that I will no longer use another brand for my car. I removed a little noise that I had
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
B
Verified Purchase
beachboy
Omaha, US
★★★★★ 5
Buy it !
I run this in our 2010 PT Cruiser Classic, you can hear the difference, pricey but worth it, will buy again.
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Reviewed in the United States on May 9, 2026
B
Verified Purchase
Briwurm de Mesa
Port Orchard, US
★★★★★ 5
Nice item
Great product thank you
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
J
Verified Purchase
Janeth B
Grantham, US
★★★★★ 5
Great
I recently used this motor oil for my car, and I’m very satisfied with the results. The engine runs smoother and quieter, and I noticed improved performance almost immediately. It provides excellent protection, especially during longer drives, and helps maintain steady engine temperature.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 8, 2025

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