Exhaust Archives - UnderhoodService
New Exhaust Gas Diagnostic Kit With Software To Analyze

The 5-Gas Analyzer is handheld and fully portable with all readings live, not calculated.

Mazda Tech Tip: Sulfur Or Rotten Egg Smell/Odor From The Exhaust

On some Mazda vehicles, a sulfur smell or rotten egg odor may be noticed coming from the exhaust system. The odor is usually noticed after a cold start, fast idle, extended periods of idling and full-throttle acceleration. The sulfur smell is not an indication of an engine concern and will not cause reduced driveability or durability of the engine or any of its emission components.

Tech Tip: Ford 3.5 Ecoboost With Blue Or White Smoke From Exhaust

Some 2013-2015 models vehicles equipped with a 3.5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit blue or white smoke from the exhaust while driving after extended idle.

Timing Chains In Hyundai Engines

Although Hyundai uses a single timing belt on its 2.7L V6 engines, its 3.3L, double-overhead camshaft engine is equipped with one timing chain for each camshaft and one drive chain for the oil pump. At first glance, a timing chain design allows engineers to shorten the overall length of the engine and reduce rotating friction.

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AWE Launches Mustang Performance Line

“We’ve built the facility, we’ve built the team and we’ve mastered our craft over 26 years. Mustang is the next step for the company, and we are excited to be bringing our unique performance engineering approach to the domestic market. This is going to be something special,” said Todd Sager, president of AWE Tuning.

VIDEO: Three Tips To Replace Exhaust Manifold Gaskets

Andrew Markel explains how exhaust manifold gaskets on some engines can be difficult to work with. The video also offers some pro tips to make the job easier, including using anti-seize and induction heating. Sponsored by MAHLE.

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The Story Behind The Bundle Of Snakes Exhaust System

When the phrase “bundle of snakes” is uttered about an exhaust system, two cars come to mind: the Ford GT40 and Lotus 38. These were not the first vehicles to use this type of exhaust configuration, but they were the first to be called a “bundle of snakes” and make exhaust systems look more like art than science. These complex exhaust systems were created as a solution to the problem caused by the use of a flat-plane crankshaft.

Beyond the Warranty Maintenance Checklist

What happens after the bumper-to-bumper and powertrain warranties wear out? If you look at any factory-recommended service intervals, after 100,000 miles they cease to exist. What does it take to keep a vehicle going for 120,000, 180,000 or 250,000 miles? The key is maintenance and

Walker Kicks Off Spring Car Care Season With ‘Exhaust Extravaganza’ Promotion For Consumers

Tenneco’s Walker emissions control brand will help consumers save on emissions control products – including mufflers, welded assemblies and catalytic converters – this spring through its “Exhaust Extravaganza” spring promotion. The Walker “Exhaust Extravaganza” promotion is available from April 1 to May 31, 2014.

DynoMax Mobile Sound Lab App Gives Performance Enthusiasts The Sound Experience Of DynoMax Mufflers

DynoMax Performance Exhaust has announced the launch of its new “Mobile Sound Lab” app, designed to help consumers shopping for a performance muffler to experience each muffler’s unique sound.

DynoMax ULTRA4 Race Team Claims Every Podium Spot In 2014 King Of The Hammers Race

Team DynoMax racers delivered some stellar performances during the recent opening of the 2014 ULTRA4 racing season at the King of the Hammers (KOH) race in Johnson Valley, Calif. Team DynoMax swept all three spots in the KOH title race, as Loren Healy claimed his second “King” title, followed by Tony Pellegrino and Bill Baird. More than 40 ULTRA4 race teams participated under the Team DynoMax banner during the week’s events.

DynoMax ‘Spring Promotion’ Offer Gives Enthusiasts Up To A $100 Pre-Paid Card For Performance Exhaust Purchases

DynoMax Performance Exhaust has announced it will offer performance enthusiasts an easy way to save on their DynoMax cat-back exhaust purchase this spring through the new “Spring Promotion” offer. The “Spring Promotion” will reward up to a $100 Visa prepaid card for the purchase of a qualifying cat-back exhaust system.