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Ace Race Parts

4.5 (123)

2.500" ID x 6" Long Flex Coupling (Interlock Liner) 304 Stainless

Name: Ace Race Parts 2.500" ID x 6" Long Flex Coupling (Interlock Liner) 304 Stainless - 2.500" ID x 6" Long Flex Coupling (Interlock Liner) 304 Stainless
Brand: Ace Race Parts
SKU: 40324876612
Price: 28.45 USD
Availability: InStock
Rating: 5 (6 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$28.45

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Black

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The Ace Race Parts brand of 100% 304 Stainless Steel Interlock Liner style Flex Couplings are great for reducing vibration and stress in your exhaust system. Our Flex Couplings feature a 304 Stainless braided exterior, a 304 Stainless inte...

Reviews

5.0

6 ratings

It worked out well. I cut off the old old flex on my B8 Audi S4 and welded this one on. Pretty easy to do and it fit good the way I did it.👍

Derek · May 14, 2026

Quality now days is worth a lot to myself and my customers

Jon · May 15, 2026

The flex sections look good and are 100% 304 SS. There are a lot of other products that are made with very little 304 and mostly 409 stainless steel. Happy that I found these due to the project being 100 % 304 on a 1987 Camaro.

Jon · November 14, 2025