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Audi A4 High Flow Performance Catalytic Converters

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3" High Flow Catalytic Converter

ES#2972519 - EXH-TDP-004-B8HF - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2972519
Mfg#:
EXH-TDP-004-B8HF
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$299.99

This product was last offered at the strikethrough price on
07-10-2026

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.5" High Flow Catalytic Converter

ES#2960018 - 034-105-4023 - 3.5" High Flow Catalytic Converter - Complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

Complete drop-in upgrade will bolt up to stock/Stock Fit Turbo

Brand:
034Motorsport - Corporate Logo
ES#:
2960018
Mfg#:
034-105-4023
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 10%
$449.00

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

$404.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe w/ High Flow Cat

ES#4045995 - B820THFCPipe - 3" Downpipe w/ High Flow Cat - Replace your factory downpipe with this upgraded JHM high flow cat! - JH Motorsports - Audi

Replace your factory downpipe with this upgraded JHM high flow cat!

Brand:
JH Motorsports - Corporate Logo
ES#:
4045995
Mfg#:
B820THFCPIPE
In Stock
$524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM 3" Cat-Pipe (High Flow Catalyst)

ES#4046023 - B9A45HFC - JHM 3" Cat-Pipe (High Flow Catalyst) - 3.0" T304 Stainless system produces gains of up to 25hp. - JH Motorsports - Audi

3.0" T304 Stainless system produces gains of up to 25hp. For vehicles up through 2020

Brand:
JH Motorsports - Corporate Logo
ES#:
4046023
Mfg#:
B9A45HFC
Ships in 4 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2972520 - EXH-TDP-003-B7HF - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2972520
Mfg#:
EXH-TDP-003-B7HF
Ships in 7 Business Days
ON SALE! SAVE 10%
$299.99

This product was last offered at the strikethrough price on
07-10-2026

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe

ES#2951864 - CTS-EXH-TDP-0005 - 3" Downpipe - T304 Stainless down pipe that installs directly after the factory catalytic converter - CTS - Audi

T304 Stainless down pipe that installs directly after the factory catalytic converter

Brand:
CTS - Corporate Logo
ES#:
2951864
Mfg#:
CTS-EXH-TDP-0005
In Stock
ON SALE! SAVE 15%
$399.99

This product was last offered at the strikethrough price on
07-10-2026

$339.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2960017 - 034-105-4022 - 3" High Flow Catalytic Converter - complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

complete drop-in upgrade will bolt up to stock/Stock Fit Turbo

Brand:
034Motorsport - Corporate Logo
ES#:
2960017
Mfg#:
034-105-4022
In Stock
ON SALE! SAVE 10%
$482.00

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

$433.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2864552 - 034-105-4021 - 3" High Flow Catalytic Converter - complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

complete drop-in upgrade will bolt up to stock/Stock Fit Turbo

Brand:
034Motorsport - Corporate Logo
ES#:
2864552
Mfg#:
034-105-4021
Ships in 2 Business Days
ON SALE! SAVE 10%
$474.00

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

$426.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B6 A4 High-flow Cat Pipe

ES#4043061 - CTSEXHTP0002B6CA - CTS Turbo B6 A4 High-flow Cat Pipe - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs

Brand:
CTS - Corporate Logo
ES#:
4043061
Mfg#:
CTSEXHTP0002B6CA
In Stock
ON SALE! SAVE 10%
$249.99

This product was last offered at the strikethrough price on
07-10-2026

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#3449953 - CTSEXHTP0006-CAT - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter For vehicles up through 2020

Brand:
CTS - Corporate Logo
ES#:
3449953
Mfg#:
CTSEXHTP0006-CAT
Back Ordered
ON SALE!
$279.99

This product was last offered at the strikethrough price on
07-10-2026

$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Twisted Steel Down Pipe 3" 304 Stainless Steel W/ Cat

ES#4477611 - 48-36410-YC - Twisted Steel Down Pipe 3" 304 Stainless Steel W/ Cat - Includes a single high flow catalytic converter which is less restrictive than the factory converter providing maximum flow. - AFE - Audi

Includes a single high flow catalytic converter which is less restrictive than the factory converter providing maximum flow.

Brand:
AFE - Corporate Logo
ES#:
4477611
Mfg#:
48-36410-YC
Ships in 2 Business Days
20% off MSRP

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

$1441.99

This product was last offered at the strikethrough price on
07-19-2026

$1153.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo B5 A4 High-flow Cat Pipe

ES#4043063 - CTSEXHTP001B5CA - CTS Turbo B5 A4 High-flow Cat Pipe - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs

Brand:
CTS - Corporate Logo
ES#:
4043063
Mfg#:
CTSEXHTP001B5CA
Special Order: No Guaranteed ETA
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.15" High Flow Sports Cat

ES#3969444 - SAUX076 - 3.15" High Flow Sports Cat - 3.15" T304 stainless construction, offers increased hp/tq throughout the powerband - Scorpion - Audi

3.15" T304 stainless construction, offers increased hp/tq throughout the powerband For vehicles up through 2020

Brand:
Scorpion - Corporate Logo
ES#:
3969444
Mfg#:
SAUX076
Ships in 2 Business Days
$733.99 USD
Free Shipping
on orders $49 and up

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