Borla Cat Back system for 02-08 Audi A4 Quattro 2.0L 4cyl

Borla Cat Back system for 02-08 Audi A4 Quattro 2.0L 4cyl

Marsoni

M251S

$794.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Borla Cat Back system for 02-08 Audi A4 Quattro 2.0L 4cylSKU: 140100 UPC: 808422401005 2002 2008 Audi A4 Cat Back Exhaust System: S Type for B6 B7 A4 Quattro Avant 1. 8T 2. 0T AWD The Borla 140100 S Type Cat Back exhaust system delivers aggressive sound and performance gains for 2002 2008 Audi A4 Quattro models with 1. 8T or 2. 0T engines, automatic or manual transmission. This direct fit system replaces the factory exhaust from the catalytic converter back, increasing horsepower, torque, and throttle

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Good stuff. I did a lot of work on my 91 Toyota Land Cruiser 3FE. I did the inside and outside doors, as well as the under-hood area, with some extra work. I like this stuff. It sticks down good but you have to clean your surface so there's a good grip. I think these are going to do well for noise cancellation. The deadening material does well with absorbing vibrations too. But the install roller tools it will come in handy. Trust me trying to do it by hand is not worth it.

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Reviewed in the United States on June 6, 2026

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Charlie J

San Leandro, US

★★★★★ 4

Good quality

Size: 10 sqft

I wish it was a little better but it definitely works great and look good for how cheap it is

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Reviewed in the United States on January 23, 2026

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R. Selberg

Birmingham, US

★★★★★ 5

Works well

Size: 10 sqft

Worked great at a budget price. I used it to damp a fiberglass loudspeaker horn. Easy to work with too.

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Reviewed in the United States on May 8, 2026

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Devan

Lowell, US

★★★★★ 5

Good material but bites back

Size: 20 sqft

Very good product for my rear trunk and backseat on my mustang. I would recommend some type of gloves due to the foil itself when placing down will cut up your hands and fingers. Overall good product for its price.

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Reviewed in the United States on May 23, 2026