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Audi A3 Suspension Braces & Reinforcement Parts

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MK5/MK6 Adjustable Sway Bar Upgrade Kit - Rear - 23mm

ES#4220125 - 004208lb01KT - MK5/MK6 Adjustable Sway Bar Upgrade Kit - Rear - 23mm - Reduce body roll and enhance handling! Includes polyurethane sway bar bushings and billet aluminum brackets. - ECS - Audi Volkswagen

Reduce body roll and enhance handling! Includes polyurethane sway bar bushings and billet aluminum brackets. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4220125
Mfg#:
004208LB01KT
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 10%
$264.99

This product was last offered at the strikethrough price on
06-13-2026

$238.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Rear Shock Mount - Priced Each

ES#3419003 - 034-601-3001 - Street Density Rear Shock Mount - Priced Each - Significantly increase lifespan and eliminate annoying squeaking - 034Motorsport - Audi Volkswagen

Significantly increase lifespan and eliminate annoying squeaking

Brand:
034Motorsport - Corporate Logo
ES#:
3419003
Mfg#:
034-601-3001
In Stock
ON SALE! SAVE 10%
$59.00

This product was last offered at the strikethrough price on
06-28-2026

$53.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Street Shield Tunnel Brace - 4Motion

ES#3221083 - 022446ecs01-02kt - Aluminum Street Shield Tunnel Brace - 4Motion - Reinforce your chassis while protecting costly undercarriage components - ECS - Audi Volkswagen

Reinforce your chassis while protecting costly undercarriage components 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3221083
Mfg#:
022446ECS01-02KT
In Stock
ON SALE!
$299.99

This product was last offered at the strikethrough price on
06-13-2026

$290.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Tunnel Brace Kit - Front & Rear - Red Anodized

ES#4620270 - 018914LA01-02KT - Billet Aluminum Tunnel Brace Kit - Front & Rear - Red Anodized - Replace your OEM stamped steel tunnel braces with our heavy-duty solid aluminum tunnel brace set! - ECS - Audi Volkswagen

Replace your OEM stamped steel tunnel braces with our heavy-duty solid aluminum tunnel brace set! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4620270
Mfg#:
018914LA01-02KT
In Stock
ON SALE! SAVE 25%
$257.99

This product was last offered at the strikethrough price on
06-13-2026

$193.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Tunnel Brace Kit - Front & Rear - Black Anodized

ES#4609303 - 018914la01-01KT - Billet Aluminum Tunnel Brace Kit - Front & Rear - Black Anodized - Replace your OEM stamped steel tunnel braces with our heavy-duty solid aluminum tunnel brace set! - ECS - Audi Volkswagen

Replace your OEM stamped steel tunnel braces with our heavy-duty solid aluminum tunnel brace set! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4609303
Mfg#:
018914LA01-01KT
In Stock
ON SALE! SAVE 25%
$257.99

This product was last offered at the strikethrough price on
06-13-2026

$193.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Underbody Tunnel Brace - Rear

ES#4430843 - VWR810005 - Billet Underbody Tunnel Brace - Rear - Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems - Racingline - Audi Volkswagen

Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems

Brand:
Racingline - Corporate Logo
ES#:
4430843
Mfg#:
VWR810005
Ships in 3 Business Days
$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Tunnel Brace - Rear - Black Anodized

ES#4416084 - 018928LA01-01 - Billet Aluminum Tunnel Brace - Rear - Black Anodized - Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace! - ECS - Audi Volkswagen

Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4416084
Mfg#:
018928LA01-01
In Stock
ON SALE! SAVE 25%
$132.99

This product was last offered at the strikethrough price on
06-13-2026

$99.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racingline Carbon Fiber Rear Body Brace

ES#4376464 - VWR8130S3-SEDAN - Racingline Carbon Fiber Rear Body Brace - Sharpen up your handling response! - Racingline - Audi

Sharpen up your handling response! For sedan models only

Brand:
Racingline - Corporate Logo
ES#:
4376464
Mfg#:
VWR8130S3-SEDAN
Ships in 2 Business Days
$574.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Street Shield Tunnel Brace - FWD

ES#3221081 - 022446ecs01-01kt - Aluminum Street Shield Tunnel Brace - FWD - Reinforce your chassis while protecting costly undercarriage components - ECS - Audi Volkswagen

Reinforce your chassis while protecting costly undercarriage components 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3221081
Mfg#:
022446ECS01-01KT
In Stock
ON SALE!
$319.99

This product was last offered at the strikethrough price on
06-13-2026

$310.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Rear Shock Mount - Priced Each

ES#3419011 - 034-601-3005 - Street Density Rear Shock Mount - Priced Each - Significantly increase lifespan and eliminate annoying squeaking - 034Motorsport - Audi Volkswagen

Significantly increase lifespan and eliminate annoying squeaking

Brand:
034Motorsport - Corporate Logo
ES#:
3419011
Mfg#:
034-601-3005
In Stock
ON SALE! SAVE 10%
$60.00

This product was last offered at the strikethrough price on
06-28-2026

$54.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

X-Clear Driveshaft Tunnel Brace - FWD

ES#4620244 - 034-603-0033 - X-Clear Driveshaft Tunnel Brace - FWD - Increased stiffness over the OE stamped steel while gaining more space for a larger exhaust! - 034Motorsport - Audi Volkswagen

Increased stiffness over the OE stamped steel while gaining more space for a larger exhaust!

Brand:
034Motorsport - Corporate Logo
ES#:
4620244
Mfg#:
034-603-0033
In Stock
ON SALE! SAVE 10%
$291.00

This product was last offered at the strikethrough price on
06-28-2026

$261.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Member Brace

ES#3449226 - ISCRMB-G7 - Rear Member Brace - Powder-coated steel reinforcement bar - iSWEEP - Audi Volkswagen

Powder-coated steel reinforcement bar

Brand:
iSWEEP - Corporate Logo
ES#:
3449226
Mfg#:
ISCRMB-G7
Ships in 1 Business Day
$340.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Tunnel Brace - Front - Black Anodized

ES#4423137 - 018914LA01-01 - Billet Aluminum Tunnel Brace - Front - Black Anodized - Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace! - ECS - Audi Volkswagen

Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4423137
Mfg#:
018914LA01-01
In Stock
ON SALE! SAVE 20%
$155.99

This product was last offered at the strikethrough price on
06-13-2026

$124.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Tunnel Brace - Rear - Red Anodized

ES#4416085 - 018928LA01-02 - Billet Aluminum Tunnel Brace - Rear - Red Anodized - Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace! - ECS - Audi Volkswagen

Replace your OEM stamped steel brace with our heavy-duty solid aluminum tunnel brace! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4416085
Mfg#:
018928LA01-02
In Stock
ON SALE! SAVE 25%
$132.99

This product was last offered at the strikethrough price on
06-13-2026

$99.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Underbody Tunnel Brace - Center

ES#4430844 - VWR810004 - Billet Underbody Tunnel Brace - Center - Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems - Racingline - Audi Volkswagen

Improve rigidity to help refine handling, while increasing clearance for larger diameter exhaust systems

Brand:
Racingline - Corporate Logo
ES#:
4430844
Mfg#:
VWR810004
Ships in 1 Business Day
$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Rear Brace

ES#4324983 - VWR8130S3 - Carbon Fiber Rear Brace - Tighten up your dynamic responses. - Racingline - Audi

Tighten up your dynamic responses.

Brand:
Racingline - Corporate Logo
ES#:
4324983
Mfg#:
VWR8130S3
In Stock
$574.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Suspension Braces & Reinforcement Parts

Low-cost bracing adds rigidity and reduces chassis flex for improved handling performance. Enhance the effectiveness of your suspension upgrades and premium tires with carefully placed braces.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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