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Audi B9 SQ5 Quattro 3.0T

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Audi B9 SQ5 Quattro 3.0T Exhaust Parts & Accessories

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Audi B9 SQ5 3.0T Center X-Pipe

ES#4164364 - 029160ecs01 - Audi B9 SQ5 3.0T Center X-Pipe - Eliminate the center resonator on your OE system for a more aggressive exhaust note - ECS - Audi

Eliminate the center resonator on your OE system for a more aggressive exhaust note affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4164364
Mfg#:
029160ECS01
Ships on Aug 3, 2026
Auto Notify
ON SALE! SAVE 25%
$448.99

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

$336.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo High-flow CAT

ES#4376288 - CTSEXHTP0013CAT - CTS Turbo High-flow CAT - Maximize exhaust flow for highest power gains! - CTS - Audi

Maximize exhaust flow for highest power gains! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4376288
Mfg#:
CTSEXHTP0013CAT
Ships in 8 Business Days
ON SALE! SAVE 15%
$699.99

This product was last offered at the strikethrough price on
06-25-2026

$594.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Res-X Resonator Delete And X-Pipe

ES#4753133 - 034-105-7054 - Res-X Resonator Delete And X-Pipe - Enjoy a more aggressive exhaust note with no noticeable drone inside the cabin at a fraction of the cost of more expensive cat-back systems. - 034Motorsport - Audi

Enjoy a more aggressive exhaust note with no noticeable drone inside the cabin at a fraction of the cost of more expensive cat-back systems. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4753133
Mfg#:
034-105-7054
In Stock
ON SALE! SAVE 10%
$458.00

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

$412.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Performance Cast Downpipe - B9 SQ5

ES#4708494 - IEEXCZ2 - IE ProCore Performance Cast Downpipe - B9 SQ5 - Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! - Integrated Engineering - Audi

Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4708494
Mfg#:
IEEXCZ2
In Stock
ON SALE! SAVE 10%
$2749.99

This product was last offered at the strikethrough price on
06-25-2026

$2474.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Cat-Back Exhaust System - B9 SQ5

ES#4658915 - IEEXCZ1 - IE Cat-Back Exhaust System - B9 SQ5 - Delivers a sporty, deep, and enhanced exhaust sound with DroneTrap resonance tuning system - Integrated Engineering - Audi

Delivers a sporty, deep, and enhanced exhaust sound with DroneTrap resonance tuning system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4658915
Mfg#:
IEEXCZ1
In Stock
ON SALE! SAVE 10%
$1839.99

This product was last offered at the strikethrough price on
06-25-2026

$1655.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Res-X Front Resonator Delete

ES#4939954 - 034-105-7064 - Res-X Front Resonator Delete - Unleash a throaty growl under hard acceleration that exudes performance! - 034Motorsport - Audi

Unleash a throaty growl under hard acceleration that exudes performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4939954
Mfg#:
034-105-7064
In Stock
ON SALE! SAVE 10%
$268.00

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

$241.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Locking Nut - Priced Each

ES#471981 - N91130801 - Locking Nut - Priced Each - Locking nut with flange. M8x1.25mm - Genuine Volkswagen Audi - Audi Volkswagen

Locking nut with flange. M8x1.25mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471981
Mfg#:
N91130801
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Rear Catback Exhaust System - B9 SQ5

ES#4883016 - CBK0057 - APR Rear Catback Exhaust System - B9 SQ5 - Features TIG welded brushed T304 stainless steel construction and offers gains of 5 AWHP and 6 AWFT-LBS of torque - APR - Audi

Features TIG welded brushed T304 stainless steel construction and offers gains of 5 AWHP and 6 AWFT-LBS of torque Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4883016
Mfg#:
CBK0057
Ships in 3 Business Days
31% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1687.99

This product was last offered at the strikethrough price on
06-24-2026

$1159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 SQ5 Large Bore Downpipe

ES#3698740 - SSXAU761 - B9 SQ5 Large Bore Downpipe - Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems (when available). - Milltek Sport - Audi

Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems (when available). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Stage 2 ECU Remap Required

Brand:
Milltek Sport - Corporate Logo
ES#:
3698740
Mfg#:
SSXAU761
Ships in 4 Business Days
$3374.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Self-Locking Nut - Priced Each

ES#471101 - N90894601 - Self-Locking Nut - Priced Each - Install new hardware with your new parts. M8 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the turbocharger to the cylinder head - qty 4 required - outer

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471101
Mfg#:
N90894601
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8/B8.5 3.0T Downpipe Removal Tool

ES#4440458 - 012622LA01 - B8/B8.5 3.0T Downpipe Removal Tool - Easily remove stubborn downpipe nuts on your 3.0T downpipe. - ECS - Audi

Easily remove stubborn downpipe nuts on your 3.0T downpipe. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4440458
Mfg#:
012622LA01
In Stock
ON SALE! SAVE 25%
$15.99

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

$11.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Midpipe Exhaust System - B9 SQ5

ES#4883017 - MPK0009 - APR Midpipe Exhaust System - B9 SQ5 - Features TIG welded brushed T304 stainless steel construction and offers gains of 5 AWHP and 6 AWFT-LBS of torque - APR - Audi

Features TIG welded brushed T304 stainless steel construction and offers gains of 5 AWHP and 6 AWFT-LBS of torque Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4883017
Mfg#:
MPK0009
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$731.99

This product was last offered at the strikethrough price on
06-29-2026

$649.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B9 SQ5 3.0T

ES#4726465 - AWEB9SQ5TR - AWE Touring Edition Exhaust System - Audi B9 SQ5 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4726465
Mfg#:
AWEB9SQ5TR
In Stock at Vendor
Starting at $2565.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

V-Band Clamp - Priced Each

ES#4351697 - 8W0253725G - V-Band Clamp - Priced Each - V-Band clamp secures catalytic converter to turbocharger - Does not include gasket (8W0253115G) - Genuine Volkswagen Audi - Audi

V-Band clamp secures catalytic converter to turbocharger - Does not include gasket (8W0253115G) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 10/01/2021

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4351697
Mfg#:
8W0253725G
In Stock
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$83.99

This product was last offered at the strikethrough price on
06-29-2026

$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Full Catback Exhaust System - B9 SQ5

ES#4899156 - vkaprcbk57mpk9 - APR Full Catback Exhaust System - B9 SQ5 - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4899156
Mfg#:
VKAPRCBK57MPK9
Ships in 3 Business Days
$2064.99

This product was last offered at the strikethrough price on
06-24-2026

$1624.99 USD
This product is lifetime replacement eligible Lifetime Replacement

High-Flow Catalyst Installation Hardware/Gasket Kit

ES#4858168 - 034-105-A015 - High-Flow Catalyst Installation Hardware/Gasket Kit - Includes everything you need to install or replace your 034Mototorsport High-Flow Catalyst or OEM Catalyst. - 034Motorsport - Audi

Includes everything you need to install or replace your 034Mototorsport High-Flow Catalyst or OEM Catalyst. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858168
Mfg#:
034-105-A015
In Stock
ON SALE! SAVE 10%
$160.00

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

$144.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Parts & Accessories

From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.

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Manufacturer names and/or part numbers are used only for identification purposes.

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