Twin Peaks is one of Twin Peaks's most active areas for truck owners, with 3,000 residents near Twin Peaks and Twin Peaks Blvd. Twin Peaks residents trust Empire Motorsports & LINE-X for quality truck work. We specialize in LINE-X spray-on bed liners and protective coatings, along with a full range of truck accessories, including bed covers, side steps, running boards, toolboxes, contractor racks, and more. We proudly offer LINE-X and other top-name brands, all backed by manufacturer warranties. Our 10,000 sq. ft. facility at 9261 Bally Ct in Rancho Cucamonga is about 22 minutes from Twin Peaks — close enough for a same-day appointment on most reliable exhaust system & performance jobs.
Pricing for exhaust system & performance in Twin Peaks typically runs $300–$3,000 depending on your vehicle make, model, and selected options. We provide a free, no-obligation quote before any work begins.
Typical range for Twin Peaks area. Final price depends on your vehicle.
Vehicle inspection and exhaust assessment
Old exhaust removal
New system installation and fitting
Hanger and clamp adjustment
Sound and leak test
As the largest LINE-X franchise in California, we're an authorized installer for the leading manufacturers. Every product is backed by manufacturer warranty.
Will a new exhaust void my warranty?
Most aftermarket exhaust systems are designed to be warranty-safe. We carry CARB-compliant options that won't affect your manufacturer warranty. Our shop at 9261 Bally Ct, Rancho Cucamonga is about 22 miles from Twin Peaks — most customers are in and out the same day.
How much horsepower will I gain?
A quality cat-back exhaust system typically adds 10-25 horsepower depending on your vehicle. Headers and full systems can add more.
Is a performance exhaust legal in California?
Yes, as long as it's CARB-compliant. We carry legal options from Borla, MagnaFlow, Flowmaster, and MBRP that meet California emissions standards.
We serve these nearby locations for exhaust system & performance:
“Jake installed a Borla cat-back on my F-150 5.0. The sound is exactly what I wanted — aggressive at full throttle, quiet at cruise. No drone on the highway. They also made sure all the hangers were seated properly.”
“MagnaFlow axle-back on my Tacoma. Ryan did the install and called me when he noticed the factory flange was slightly corroded. Gave me the option to address it before it became a bigger problem. That's the kind of honesty I appreciate.”
“Empire installed the Flowmaster on my Tacoma and the fitment was perfect. No rattles, no leaks, sounds exactly like the clips on YouTube. Professional work.”
Serving Twin Peaks, Twin Peaks — 22 miles from our shop
Also serving this area: Empire Motorsports & LINE-X
9261 Bally Ct, Rancho Cucamonga, CA 91730 · Mon-Fri 7:30am - 5:00pm