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Audi B9 S5 Quattro 3.0T Performance Cat-Back Exhausts

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APR Cat-Back Exhaust System - B9 S4/S5

ES#4901469 - CBK0012 - APR Cat-Back Exhaust System - B9 S4/S5 - Features TIG welded brushed T304 stainless steel construction and offers gains of 10 AWHP and 12 AWFT-LBS of torque - APR - Audi

Features TIG welded brushed T304 stainless steel construction and offers gains of 10 AWHP and 12 AWFT-LBS of torque Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4901469
Mfg#:
CBK0012
In Stock
ON SALE!
$1933.95 USD
Free Shipping

Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System

ES#4658162 - 016752LA01 - Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience 10X Entries Into Our F80 M3 Sweepstakes
Fits up to 2022 model years

Brand:
ECS - Corporate Logo
ES#:
4658162
Mfg#:
016752LA01
In Stock
ON SALE!
Starting at $1258.35 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System With Downpipes & Resonator Delete Kit

ES#4876129 - 016752LAEBKT - Audi B9 S5 Coupe/Cabriolet 3.0T Valved Exhaust System With Downpipes & Resonator Delete Kit - Includes stainless steel valved cat-back section, black billet aluminum tunnel brace, 4" black chrome exhaust tips, and a set of downpipes with resonator deletes! - Enthusiast Bundles - Audi

Includes stainless steel valved cat-back section, black billet aluminum tunnel brace, 4" black chrome exhaust tips, and a set of downpipes with resonator deletes! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876129
Mfg#:
016752LAEBKT
Ships on Jan 11, 2027
ON SALE! SAVE 38%
$2529.91

This product was last offered at the strikethrough price on
05-05-2026

$1568.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated (Louder)

ES#3240938 - SSXAU657 - Cat-Back Exhaust System - Non-Resonated (Louder) - 2.50" stainless steel with quad GT-90 titanium tips - Milltek Sport - Audi

2.50" stainless steel with quad GT-90 titanium tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3240938
Mfg#:
SSXAU657
Ships on Nov 20, 2026
ON SALE! SAVE 10%
$4158.99

This product was last offered at the strikethrough price on
08-17-2026

$3742.22 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust - Non Resonated

2.50" stainless steel with your choice of tip style

Brand:
Milltek Sport - Corporate Logo
ES#:
4164626
Mfg#:
B9NONRESONATED
Ships on Nov 20, 2026
ON SALE!
Starting at $3156.71 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated With Valves **OPEN BOX**

ES#3499454 - SSXAU715 - Cat-Back Exhaust System - Non-Resonated With Valves **OPEN BOX** - 2.50" stainless steel with quad Cerakote black velvet oval tips. No physical or functional flaws with the system or missing components, simply open box - Milltek Sport - Audi

2.50" stainless steel with quad Cerakote black velvet oval tips. No physical or functional flaws with the system or missing components, simply open box Fits models with factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3499454
Mfg#:
SSXAU715
Ships on Nov 20, 2026
ON SALE! SAVE 10%
$3990.99

This product was last offered at the strikethrough price on
10-26-2026

$3591.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Valves

ES#3499447 - SSXAU707 - Cat-Back Exhaust System - Resonated With Valves - 2.50" stainless steel with quad GT-100 Cerakote black tips - Milltek Sport - Audi

2.50" stainless steel with quad GT-100 Cerakote black tips Fits models with factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3499447
Mfg#:
SSXAU707
Ships on Nov 20, 2026
ON SALE! SAVE 10%
$3752.99

This product was last offered at the strikethrough price on
10-26-2026

$3377.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Exhaust Valves

ES#3240918 - SSXAU641 - Cat-Back Exhaust System - Resonated With Exhaust Valves - 2.50" stainless steel with quad GT-100 Cerakote black tips - Milltek Sport - Audi

2.50" stainless steel with quad GT-100 Cerakote black tips Fits models without factory rear sports differential
For vehicles without a sport differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3240918
Mfg#:
SSXAU641
Ships on Nov 20, 2026
ON SALE! SAVE 10%
$3752.99

This product was last offered at the strikethrough price on
08-17-2026

$3377.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated With Valves

ES#3493658 - SSXAU686 - Cat-Back Exhaust System - Non-Resonated With Valves - 2.50" stainless steel with quad GT100 cerakote black tips - Milltek Sport - Audi

2.50" stainless steel with quad GT100 cerakote black tips Fits models without factory rear sports differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3493658
Mfg#:
SSXAU686
Ships on Nov 20, 2026
ON SALE! SAVE 10%
$3506.99

This product was last offered at the strikethrough price on
10-26-2026

$3155.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Exhaust System - Audi B9 S5 3.0T

ES#4723707 - AWEB9S5TK - AWE Track Edition Exhaust System - Audi B9 S5 3.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology® resonators in the rear. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4723707
Mfg#:
AWEB9S5TK
Ships on Nov 19, 2026
ON SALE!
Starting at $2335.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Cat-Back Exhaust System - B9 S5 Sportback

ES#5375469 - IEEXCK12 - IE Cat-Back Exhaust System - B9 S5 Sportback - Features an aggressive, yet refined exhaust note with DroneTrap technology and quad 90mm slash-cut tips - Integrated Engineering - Audi

Features an aggressive, yet refined exhaust note with DroneTrap technology and quad 90mm slash-cut tips

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375469
Mfg#:
IEEXCK12
Ships in 4 Business Days
$1699.99 USD

IE Cat-Back Exhaust System - B9 S5 Coupe

ES#5375468 - IEEXCK11 - IE Cat-Back Exhaust System - B9 S5 Coupe - Features an aggressive, yet refined exhaust note with DroneTrap technology and quad 90mm slash-cut tips - Integrated Engineering - Audi

Features an aggressive, yet refined exhaust note with DroneTrap technology and quad 90mm slash-cut tips

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375468
Mfg#:
IEEXCK11
Ships in 4 Business Days
$1699.99 USD

AWE SwitchPath Exhaust System - Audi B9 S5 3.0T

ES#4723709 - AWEB9S5SP - AWE SwitchPath Exhaust System - Audi B9 S5 3.0T - Comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections. - AWE - Audi

Comes complete with non-resonated downpipes, a precision-engineered x-pipe mid-section, and two valved muffler sections. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4723709
Mfg#:
AWEB9S5SP
Ships on Nov 19, 2026
ON SALE!
Starting at $3775.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B9 S5 3.0T

ES#4723708 - AWEB9S5TR - AWE Touring Edition Exhaust System - Audi B9 S5 3.0T - Removes the factory valving and replaces it with AWEs 180 Technology drone-cancelling resonators and resonated downpipes. - AWE - Audi

Removes the factory valving and replaces it with AWE’s 180 Technology® drone-cancelling resonators and resonated downpipes. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4723708
Mfg#:
AWEB9S5TR
Ships on Nov 19, 2026
ON SALE!
Starting at $2975.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Exhaust Valves

ES#3466840 - SSXAU695 - Cat-Back Exhaust System - Resonated With Exhaust Valves - 2.50" stainless steel with quad GT-100 Cerakote black tips - Milltek Sport - Audi

2.50" stainless steel with quad GT-100 Cerakote black tips Fits models with factory rear sports differential
For vehicles with a sport differential and without brace bars

Brand:
Milltek Sport - Corporate Logo
ES#:
3466840
Mfg#:
SSXAU695
Ships on Nov 20, 2026
ON SALE! SAVE 10%
$3752.99

This product was last offered at the strikethrough price on
10-26-2026

$3377.24 USD
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated With Exhaust Valves

ES#3236155 - SSXAU649 - Cat-Back Exhaust System - Resonated With Exhaust Valves - 2.50" stainless steel with quad Cerakote black velvet oval tips - Milltek Sport - Audi

2.50" stainless steel with quad Cerakote black velvet oval tips Fits models without factory rear sports differential
For vehicles without a sport differential

Brand:
Milltek Sport - Corporate Logo
ES#:
3236155
Mfg#:
SSXAU649
Ships on Nov 20, 2026
ON SALE! SAVE 10%
$4236.99

This product was last offered at the strikethrough price on
10-26-2026

$3812.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Cat-Back Exhausts

Let your engine sing with a performance cat-back exhaust system from the best exhaust manufacturers in the business.

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