2018 Porsche 911 991 GT3 Coupe H6 4.0L Performance Engine Parts

Increase power by containing exhaust heat - Tan

Brand:

ES#:

4028213

Mfg#:

TS-EW-T

Starting at $22.99 USD

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on orders $49 and up

Lifetime Replacement

Designed to handle temperatures up to 2800�F

Brand:

ES#:

4028215

Mfg#:

010128KT

Starting at $19.99 USD

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on orders $49 and up

Lifetime Replacement

Increase power by containing exhaust heat - Black

Brand:

ES#:

4028214

Mfg#:

TS-EW-BK

Starting at $16.99 USD

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on orders $49 and up

Lifetime Replacement

Secure the exhaust wrap with stainless steel ties

Brand:

ES#:

261435

Mfg#:

010202

$9.99 USD

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on orders $49 and up

Lifetime Replacement

Max gains of +33-69 WHP and +37-52 WFT-LBS depending on octane Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:

ES#:

4487639

Mfg#:

ECU-40L-9912-GT3

$2499.99 USD

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Lifetime Replacement

Boost sound and performance with this center muffler delete, featuring dual tuned Helmholtz resonators, 304 stainless steel construction, and 100% TIG-welded strength in a direct bolt-on design.

Brand:

ES#:

4680391

Mfg#:

49C36434

20% off MSRP

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

$2105.00

This product was last offered at the strikethrough price on
05-28-2026

$1684.00 USD

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on orders $49 and up

Lifetime Replacement

For those who want to increase tone, free up some power while dropping weight, but prefer to keep their factory side mufflers.

Brand:

ES#:

4733194

Mfg#:

AWE991GT3CMD

Starting at $1650.00 USD

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Lifetime Replacement

Direct replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range. Fits all Porsche 991 GT3 Cup vehicles 2017+

Brand:

ES#:

4722146

Mfg#:

FS.POR.991CUP.SH

Made from 100% 304L aircraft grade stainless steel! Includes Dual Tips in Polished Titanium Finish.

Brand:

ES#:

4858607

Mfg#:

SSXPO126

Made from 100% 304L aircraft grade stainless steel! Includes Dual Tips in Brushed Titanium Finish.

Brand:

ES#:

4858606

Mfg#:

SSXPO128

Made from 100% 304L aircraft grade stainless steel! Uses your factory tips.

Brand:

ES#:

4858609

Mfg#:

SSXPO129

$1118.99 USD

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Lifetime Replacement

Made from 100% 304L aircraft grade stainless steel! Includes Dual Tips in Cerakote Black Finish.

Brand:

ES#:

4858608

Mfg#:

SSXPO127

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457434

Mfg#:

UVM76MMTSTYLEX1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457436

Mfg#:

UVM.76MM.X2

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457432

Mfg#:

UVM76MMDUALOUTX1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457437

Mfg#:

UVM.89MM.X1