Manually control muffler valve funtions with the click of a button with this plug and play kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with electronic valves only
Take full control of your BMW's exhaust valves to control exhaust volume and tone.
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#:
4172027
Mfg#:
R660-0001
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.
$358.99
This product was last offered at the strikethrough price on 06-28-2026
Civilized at cruising speeds and aggressive under hard acceleration
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#:
3450215
Mfg#:
D660-0069
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1349.99
This product was last offered at the strikethrough price on 06-28-2026
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Electronic Valves & Cast Y-Pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires minor mid-pipe modifications
Right - Brushed Stainless Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4146865
Mfg#:
026732TMS06-02
In Stock
ON SALE!
SAVE 26%
$125.99
This product was last offered at the strikethrough price on 05-02-2026
OEM Bosch Downstream O2 Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4316418
Mfg#:
11788631049
In Stock
ON SALE!
SAVE 23%
$154.99
This product was last offered at the strikethrough price on 05-07-2026
Upgrade your sound while keeping your factory valved muffler installed. While your upgrading sound receive a FREE ignition upgrade with performance B-series coils and NGK spark plugs.
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4876425
Mfg#:
048013LAEBKT1
Ships in 3 Business Days
ON SALE!
$892.63
This product was last offered at the strikethrough price on 01-03-2026
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.
