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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Flow-bench optimized to provide maximum performance with your factory intake system!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4690597
Mfg#:
RF100031
Ships on Jul 23, 2026
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$130.99
This product was last offered at the strikethrough price on 06-26-2026
Unlock up to +34 HP and +43 lb-ft of torque with this TIG-welded 304 stainless cat-back exhaust, delivering race-proven performance, perfect fitment, and an aggressive Porsche-worthy sound in a direct bolt-on package.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4680385
Mfg#:
49-36406-1P
Back Ordered
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$4180.00
This product was last offered at the strikethrough price on 05-27-2026
Unlock up to +34 HP and +43 lb-ft of torque with this TIG-welded 304 stainless cat-back exhaust, delivering race-proven performance, perfect fitment, and an aggressive Porsche-worthy sound in a direct bolt-on package.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4680383
Mfg#:
49-36406-1B
Back Ordered
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$4495.00
This product was last offered at the strikethrough price on 05-27-2026
Unlock up to +34 HP and +43 lb-ft of torque with this TIG-welded 304 stainless cat-back exhaust, delivering race-proven performance, perfect fitment, and an aggressive Porsche-worthy sound in a direct bolt-on package.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4680384
Mfg#:
49-36406-1C
Back Ordered
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$4495.00
This product was last offered at the strikethrough price on 05-27-2026
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
