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Audi Integrated Engineering Exhaust Downpipes

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IE Catted Cast Downpipe

ES#3569381 - IEEXCI1 - IE Catted Cast Downpipe - Features cast bends for superior flow and fitment - Integrated Engineering - Audi Volkswagen

Features cast bends for superior flow and fitment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3569381
Mfg#:
IEEXCI1
Ships on Jun 29, 2026
Auto Notify
$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0" Downpipe - With High Flow Catalytic Converter

ES#3419055 - IEEXCC5 - 3.0" Downpipe - With High Flow Catalytic Converter - T304 Stainless, TIG-welded downpipe - Integrated Engineering - Audi Volkswagen

T304 Stainless, TIG-welded downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3419055
Mfg#:
IEEXCC5
In Stock
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Performance Cast Downpipe

ES#4473979 - IEEXCK3 - IE Performance Cast Downpipe - Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ - Integrated Engineering - Audi

Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4473979
Mfg#:
IEEXCK3
In Stock
$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Catted Cast Downpipe

ES#3569382 - IEEXCI3 - IE Catted Cast Downpipe - Features cast bends for superior flow and fitment - Integrated Engineering - Audi Volkswagen

Features cast bends for superior flow and fitment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3569382
Mfg#:
IEEXCI3
In Stock
$849.99 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
$2749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi RS3 & TTRS 2.5 TFSI EVO 3.5" Downpipe

ES#3677700 - IEEXCQO1 - Audi RS3 & TTRS 2.5 TFSI EVO 3.5" Downpipe - Deliver up to 577HP with a matching IE Stage 2 Tune and turn your 2.5T into an all-out power monster! - Integrated Engineering - Audi

Deliver up to 577HP with a matching IE Stage 2 Tune and turn your 2.5T into an all-out power monster! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
*Does not include Y-pipe adapter (IEEXCQ3) - Necessary if mating to stock cat-back system*

Brand:
Integrated Engineering - Corporate Logo
ES#:
3677700
Mfg#:
IEEXCQO1
Ships in 2 Business Days
$1299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE B8 3.0T Performance Downpipes

ES#3470770 - IEEXCG2 - IE B8 3.0T Performance Downpipes - Quick and easy way to add horsepower and an aggressive sound! 304 stainless steel 2.5" tubing. - Integrated Engineering - Audi

Quick and easy way to add horsepower and an aggressive sound! 304 stainless steel 2.5" tubing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470770
Mfg#:
IEEXCG2
In Stock
$769.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Performance Cast Downpipe - B9 S4/S5

ES#4708493 - IEEXCK6 - IE ProCore Performance Cast Downpipe - B9 S4/S5 - 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#:
4708493
Mfg#:
IEEXCK6
Ships in 4 Business Days
$2874.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Y-Pipe Adapter Kit

ES#4159135 - IEEXCQ3 - IE Y-Pipe Adapter Kit - Used to adapt IE downpipe (RS3/TTRS) to stock Cat-back system, or IE Cat-Back (RS3) to stock downpipe - Integrated Engineering - Audi

Used to adapt IE downpipe (RS3/TTRS) to stock Cat-back system, or IE Cat-Back (RS3) to stock downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4159135
Mfg#:
IEEXCQ3
Ships in 4 Business Days
$219.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Downpipe - B9 A4

ES#4904913 - IEEXCK9 - IE ProCore Downpipe - B9 A4 - Features a full and complete exhaust note with increased flow! - Integrated Engineering - Audi

Features a full and complete exhaust note with increased flow! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4904913
Mfg#:
IEEXCK9
In Stock
$2199.99 USD
Free Shipping
on orders $49 and up

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