Memorial Day weekend: $79 cooling system flush.

(313) 836-9390 · Open 7 days

$79

cooling system flush

with this coupon

Coupon code

COOL79

Expires

Through Memorial Day weekend

Present at counter

or mention when you call

One coupon per customer per visit. Cannot combine with other offers, insurance, warranty, or fleet pricing. Mention code before service begins. Shop supplies, disposal, and tax not discounted. Issued May 18, 2026. Detroit Express Muffler · 15430 Fenkell Ave, Detroit MI 48227 · (313) 836-9390 · detroitexpressmuffler.com

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