Audi A4 RS

Get up to +55 hp and +61 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For pre-facelift vehicles with CYMC engine Code

Brand:

ES#:

4339090

Mfg#:

906972

ON SALE! SAVE 10%

$449.00

This product was last offered at the strikethrough price on
07-01-2026

$404.10 USD

Add to Cart

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on orders $49 and up

Lifetime Replacement

Get up to +50 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2014 model year only

Brand:

ES#:

4339426

Mfg#:

917782

ON SALE! SAVE 10%

$449.00

This product was last offered at the strikethrough price on
07-01-2026

$404.10 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Get up to +36 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2013 model year only

Brand:

ES#:

4339406

Mfg#:

917512

ON SALE! SAVE 10%

$449.00

This product was last offered at the strikethrough price on
07-01-2026

$404.10 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Get up to +55 hp and +61 through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4339089

Mfg#:

906971

ON SALE! SAVE 10%

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$359.10 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Get up to +36 hp and +52 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2013 model year only

Brand:

ES#:

4339405

Mfg#:

917511

ON SALE! SAVE 10%

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$359.10 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Get up to +50 hp and +52 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2014 model year only

Brand:

ES#:

4339425

Mfg#:

917781

ON SALE! SAVE 10%

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$359.10 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Get up to +44 hp and +55 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4339016

Mfg#:

902982

ON SALE! SAVE 10%

$399.00

This product was last offered at the strikethrough price on
07-01-2026

$359.10 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Get up to +40 hp and +54 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4785814

Mfg#:

923732

ON SALE! SAVE 10%

$438.00

This product was last offered at the strikethrough price on
07-01-2026

$394.20 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Get up to +44 hp and +55 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4339015

Mfg#:

902981

ON SALE! SAVE 10%

$349.00

This product was last offered at the strikethrough price on
07-01-2026

$314.10 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement