Increase your sound, performance and aesthetic of your exhaust! Gains up to 10HP and 14FT/LBS of torque in your powerband.
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Let your S58 breathe! Eliminates the restrictive center resonator for increased sound and adds an x-pipe to increase efficiency.
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Brand:
ES#:
4858171
Mfg#:
044868LA01
In Stock
ON SALE!
SAVE 15%
$425.99
This product was last offered at the strikethrough price on 05-02-2026
Introduces a more aggressive tone and an increase in volume over the stock system while retaining the factory muffler!
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Brand:
ES#:
4668699
Mfg#:
D660-0094
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1012.99
This product was last offered at the strikethrough price on 07-27-2026
Upgrade To Dinan's Experience Package to Save When Modifying Your G8X M3 or M4!
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Brand:
ES#:
4818128
Mfg#:
G8X-M3M4-E-GBGA
Ships in 5 Business Days
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$6434.99
This product was last offered at the strikethrough price on 07-27-2026
An innovative octagonal design crafted from lightweight titanium is encased in a carbon-fiber outer sleeve, setting a new standard in performance and style.
Performance Catback Exhaust for pure unrestricted power and sound. This exhaust takes out all of the stop gates and pairs with the S58 for an iconic driving experience.
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From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.
