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Your Vehicle 2017 Porsche 911 991 Turbo S Coupe H6 3.8L

2017 Porsche 911 991 Turbo S Coupe H6 3.8L Engine Parts & Accessories

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ES#4339400 - 917495 - RaceChip GTS Black - Get up to +55 hp and +89 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Porsche

Get up to +55 hp and +89 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:
Race Chip - Corporate Logo
ES#:
4339400
Mfg#:
917495
Ships in 4 Business Days
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339401 - 917496 - RaceChip GTS Black With App Control - Get up to +55 hp and +89 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Porsche

Get up to +55 hp and +89 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:
Race Chip - Corporate Logo
ES#:
4339401
Mfg#:
917496
Ships in 4 Business Days
$849.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2839903 - EL3034 - Rennline Battery Mount Kit - Odyssey 925 Switch Mount - Want to reduce weight with a lightweight battery? This is the mount you need for a clean installation! - Rennline - Porsche

Want to reduce weight with a lightweight battery? This is the mount you need for a clean installation! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839903
Mfg#:
EL3034
Ships in 6 Business Days
$159.00 USD
Free Shipping
on orders $49 and up
ES#2839906 - EL3038 - Rennline Battery Mount Kit - Odyssey 680 Switch Mount - Want to reduce weight with a lightweight battery? This is the mount you need for a clean installation! - Rennline - Porsche

Want to reduce weight with a lightweight battery? This is the mount you need for a clean installation! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839906
Mfg#:
EL3038
Ships in 6 Business Days
$159.00 USD
Free Shipping
on orders $49 and up
ES#4932051 - EX32 - Rennline Titanium Valved Exhaust System - Porsche 991.2 - Unleash the raw sound of your Porsche 991.2 with the Ultimate Performance Valved Exhaust by Rennline! - Rennline - Porsche

Unleash the raw sound of your Porsche 991.2 with the Ultimate Performance Valved Exhaust by Rennline! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4932051
Mfg#:
EX32
In Stock at Vendor
Starting at $2500.00 USD
Free Shipping
ES#2839905 - EL3037 - Rennline Battery Mount Kit - Odyssey 680 - Want to reduce weight with a lightweight battery? This is the mount you need for a clean installation! - Rennline - Porsche

Want to reduce weight with a lightweight battery? This is the mount you need for a clean installation! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2839905
Mfg#:
EL3037
Ships in 6 Business Days
$149.00 USD
Free Shipping
on orders $49 and up
ES#3981099 - 991turboKT2 - 14-18 991 Turbo Full Sport System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981099
Mfg#:
991TURBOKT2
Ships on Oct 1, 2026
$12472.99 USD
Free Shipping
ES#3981103 - 991turboKT6 - 14-18 991 Turbo Turbo-Back Race System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981103
Mfg#:
991TURBOKT6
Ships on Oct 1, 2026
$8173.99 USD
Free Shipping
ES#3981097 - 991turboKT - 14-18 991 Turbo Full Race System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981097
Mfg#:
991TURBOKT
Ships on Oct 1, 2026
$13339.99 USD
Free Shipping
ES#3981101 - 991turboKT4 - 14-18 991 Turbo-Back Sport System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981101
Mfg#:
991TURBOKT4
Ships on Oct 1, 2026
$7436.99 USD
Free Shipping
ES#3643384 - 247201 - 14-18 991 Turbo Performance Headers - More flow for less restrictions, don't let your exhaust be the weak point of power - Supersprint - Porsche

More flow for less restrictions, don't let your exhaust be the weak point of power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3643384
Mfg#:
247201
Ships on Oct 1, 2026
$5036.99 USD
Free Shipping
ES#3981102 - 991turboKT5 - 14-18 991 Turbo Turbo-Back Sport System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981102
Mfg#:
991TURBOKT5
Ships on Oct 1, 2026
$7566.00 USD
Free Shipping
ES#3981104 - 991turboKT7 - 14-18 991 Turbo Turbo-Back Race System - Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - High Flow 100 CPSI Catalytic Converters, Race Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981104
Mfg#:
991TURBOKT7
Ships in 4 Business Days
$8302.99 USD
Free Shipping
ES#3981100 - 991turboKT3 - 14-18 991 Turbo Full Sport System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Sport Mufflers, and Black Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981100
Mfg#:
991TURBOKT3
Ships on Oct 1, 2026
$12602.99 USD
Free Shipping
ES#3981098 - 991turboKT1 - 14-18 991 Turbo Full Race System - Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips - Supersprint - Porsche

Highest Quality Hand Made in Italy - Includes High Performance Free Flow Headers, 100 CPSI Catalytic Converters, Race Mufflers, and Polished Tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3981098
Mfg#:
991TURBOKT1
Ships on Oct 1, 2026
$13209.99 USD
Free Shipping
ES#4932593 - 0PB145172 - Drive Belt Idle Pulley - URO - Porsche

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4932593
Mfg#:
0PB145172
Ships in 2 Business Days
$156.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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