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BMW Axleback Exhaust for BMW 7 Series E23 (1978-1987)

Axleback exhaust systems generally include what's behind your rear axle. These are among the easiest of exhaust upgrades to install, and give you an instant upgrade in sound.

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BMW Xforce Smartbox Varex Muffler ECU Upgrade Module

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:28570834

Part#: VKSB01-ECU-MODUL

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Sale - Save 10% $ 399.00

This product was last offered at the strikethrough price on
06-30-2026

$ 359.10 USD

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Sale - Save 10%

$ 399.00

This product was last offered at the strikethrough price on
06-30-2026

$ 359.10 USD

Add to Wish List

BMW Xforce Smartbox Varex Muffler ECU Upgrade Module is the ideal choice for BMW owners seeking to enhance their vehicle's performance. This innovative module seamlessly integrates with the Varex muffler system, allowing for precise control over exhaust sound and performance. With its easy installation process and versatile functionality, it provides an elevated driving experience for BMW enthusiasts.