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Invidia 15+ Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip Titanium Cat-Back Exhaust

Marsoni M251S
Sale price$575.98
Pay 4 payments of $144.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Invidia 15+ Subaru WRX/STI 4dr N1 Twin Outlet Single Layer Tip Titanium Cat-Back ExhaustSKU: HS15STIGTT Invidia 15 21 Subaru WRX STI 4dr N1 Twin Outlet Single Layer Tip Titanium Cat Back Exhaust The Invidia N1 Twin Outlet Single Layer Tip Titanium Cat Back Exhaust HS15STIGTT transforms 2015 2021 Subaru WRX and STI 4 door sedans with a full cat back system starting after the catalytic converter. It slashes weight to 12. 4 kg or 27. 3 lbs for quicker acceleration and sharper handling while boosting exhaust flow for noticeable power gains.
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Exchange/Return Notes
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4.1 ★★★★★
Based on 690 reviews
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Verified Purchase
Amazon Customer
Lexington, US
★★★★★ 5
Awesome product 👌
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
I love this stuff. I use it alot. Sticks great Easy to use Molds super easy Really helps with sound. Great product. I wish I could get sponsored for this product on my projects..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
J
Verified Purchase
john l fields
Omaha, US
★★★★★ 5
Good product at a good price
Style: 80 mil 36 sqft
This product works great and easy to install. I do two or more vehicles a month. I switch to this brand a year ago and would recommend to everyone of my customers
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
N
Verified Purchase
napoli
Omaha, US
★★★★★ 4
Good deal for the price
Style: 80 mil 18 SqFt
The product is good and contrary to some comments I read it was not a mess to install and went on very nicely. That said I placed on a 71 Baracudda and starting from a 71db I was able to drop that down to about 66 with two layers Kilmatt 80mil
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
F
Verified Purchase
#1 Ford
Lake Worth, US
★★★★★ 5
Kilmat Car Sound Deadening Mats
Style: 50 mil 25 SqFt
Easy to install in a vehicle! Helps keep the heat out as well as keeping it quieter inside my car. Self sticking to the inside of the roof without strong smelling adhesives. The quality of these pieces work very well in my vehicle!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
J
Verified Purchase
Jonathan Robledo
West Palm Beach, US
★★★★★ 5
Excellent Sound Deadening Material!
Style: 10 SqFt, Style: 10 SqFt
I installed Kilmat Sound Deadening in my truck, and I’m extremely impressed with the results. The material is thick, pliable, and easy to cut to fit doors, floor panels. It sticks very well to metal surfaces and doesn’t peel, even after heating it slightly to make it more flexible. After installation, I immediately noticed a reduction in road noise and vibrations. Worth the money!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026

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