Brock's Performance Introduces Honda Grom Alien Head Full Exhaust System + Video

Troy Siahaan
by Troy Siahaan

You may know Brock’s Performance as one of the leading tuners of motorcycles that go seriously fast. From 200 mph dragsters to 200-plus horsepower sportbikes, but in reality, if it has an engine and two wheels, Brock can help make it go faster. Case in point is the hugely popular Honda Grom. The Brock’s Performance Alien Head Full Exhaust System ($399.95) for Honda’s pint-sized Grom combines legendary, race-proven performance with the distinctive look and sound of a show-polished Alien Head muffler.

Designed and hand-tuned by Brock’s Performance for stock and modified engines, this lightweight stainless-steel exhaust possesses an ideal balance of performance and attitude–at just 4.5 lbs. Keeping creative Grom owners in mind, this low-mount megaphone-style system is a 100% bolt-on kit. It tucks up tight along the engine to provide maximum ground clearance without modifications. The little funster is now ready to be stretched, lowered and customized, then finished with a shimmering Brock’s Performance exhaust.

The Alien Head Full Exhaust System is just one piece in Brock’s new Grom Outfitters division, which now has a ShortMeg full exhaust, Dynojet Power Commander, sprockets, brake lines, tires and wheel bearings. See GromOutfitters.com for more information.

Check out the three videos below to see how much performance you can extract from a Grom with some simple modifications.

Troy Siahaan
Troy Siahaan

Troy's been riding motorcycles and writing about them since 2006, getting his start at Rider Magazine. From there, he moved to Sport Rider Magazine before finally landing at Motorcycle.com in 2011. A lifelong gearhead who didn't fully immerse himself in motorcycles until his teenage years, Troy's interests have always been in technology, performance, and going fast. Naturally, racing was the perfect avenue to combine all three. Troy has been racing nearly as long as he's been riding and has competed at the AMA national level. He's also won multiple club races throughout the country, culminating in a Utah Sport Bike Association championship in 2011. He has been invited as a guest instructor for the Yamaha Champions Riding School, and when he's not out riding, he's either wrenching on bikes or watching MotoGP.

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