Reduces coolant temperatures by as much as 30*F
Reduces coolant temperatures by as much as 30*F
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
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
Designed to handle continuous temperatures up to 1,800°F
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
Increase power by containing exhaust heat - Lava
Includes cleaner and re-oil additive
Features a single 145x95mm polished exhaust tip
For non-US-Spec 1998-2001 SL280 models only. Will not fit any 300 SL / SL320 models without modifications.
This product was last offered at the strikethrough price on
05-02-2026
Designed to handle continuous temperatures up to 1,800°F
Sold in a black powdercoated finish.
2X Entries Into Our F80 M3 Sweepstakes
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
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
Pairs with all types of coolant to increase heat transfer and decrease engine temps.
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
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