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These mid-length, high-flow exhaust headers are designed to effectively reduce exhaust gas back pressure. The reduction in gas back pressure allows your engine to breathe freely and produce more power. This exhaust system is equipped with wider pipes to promote higher power and torque levels. This modification will also give your AMG that powerful sound that you’re looking for.
A normally aspirated V8 will typically gain 7 to 10 percent in horsepower and torque.
A supercharged engine will gain as much as 15 percent in horsepower and torque.
Are there ANY other modifications required to the exhaust or anywhere else to install these on the SL55?
Trying to gauge how easy of a "swap" this will be from stock.
Are there ANY other modifications required to the exhaust or anywhere else to install these on the SL55?
Trying to gauge how easy of a "swap" this will be from stock.
Midsection will need to be welded together using the included "downpipe" professional installation recommended.
Another option to consider are long tube headers. I put MBH on my SL55 after extensive research and couldn't be happier with the sound (no drone) and contribution to additional power, about 30-35 RWHP.
Cost is expensive, count on $5k with a tune and professional installation. Quality is unmatched.
Thank you, for the update.. I've been thinking of some mods to my 55, your stage 1 package with the 76mm pulley. I've been debating about mid-length headers, my goal is 620-640bhp (crank) I figured I'd be close to around 600 bhp with the stage 1. Mine is an 07 so, larger TB and 510 bhp. I'm guessing mid-length headers would put me over the 600 bhp (crank) figure?
01-19-2021, 09:48 AM
